pamela leutwyler. a b town a is exactly 100 miles from town b
Post on 17-Dec-2015
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A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
train A
train B
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20
60
train A
train B
fill in the information that isexplicitly stated
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20 x
60
train A
train B
Let x represent the number of hours that train A travels
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20 x
60 x - 1
train A
train B
Let x represent the number of hours that train A travels
train B starts 1 hour later than train Aif A travels for x hours then B travels for x - 1 hours
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20 x
60 x - 1
train A
train B
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20 x
60 x - 1
train A
train B
formula: distance = (rate) x (time)
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20x 20 x
60(x – 1) 60 x - 1
train A
train B
formula: distance = (rate) x (time)
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20x 20 x
60(x – 1) 60 x - 1
train A
train B
distance traveled by train A distance traveled by train B
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20x 20 x
60(x – 1) 60 x - 1
train A
train B
distance traveled by train A distance traveled by train B+ = 100
A B
Town A is exactly 100 miles from Town B
At noon train A leaves town A and travels toward town B at a rate of 20 mph
At 1PM train B leaves town B and travels toward town A at a rate of 60 mph
At what time do the trains meet?
distance rate time (# units of time)
20x 20 x
60(x – 1) 60 x - 1
train A
train B
distance traveled by train A distance traveled by train B+ = 10020x 60(x – 1 )
A B
Town A is exactly 100 miles from Town B
At what time do the trains meet?
distance rate time (# units of time)
20x 20 x
60(x – 1) 60 x - 1
train A
train B
distance traveled by train A distance traveled by train B+ = 10020x 60(x – 1 )
20x + 60 ( x - 1 ) = 10020x + 60x - 60 = 100 80x = 160 x = 2
train A starts at noon and travels for 2 hours before meeting train B
2 PM
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