solving story problems involving rates. example #1 jack drove an average of 55 mph on his trip. he...

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Solving Story Problems Involving Rates

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Page 1: Solving Story Problems Involving Rates. Example #1 Jack drove an average of 55 mph on his trip. He spent a total of 8.5 hours driving. How far did he

Solving Story Problems

Involving Rates

Page 2: Solving Story Problems Involving Rates. Example #1 Jack drove an average of 55 mph on his trip. He spent a total of 8.5 hours driving. How far did he

Example #1

Jack drove an average of 55 mph on his trip. He spent a total of 8.5 hours driving. How far did he travel?

5.467x5.8x

155

hoursmiles

hourmiles

Jack drove a total of 467.5 miles.

Page 3: Solving Story Problems Involving Rates. Example #1 Jack drove an average of 55 mph on his trip. He spent a total of 8.5 hours driving. How far did he

Example #2

Jack’s car is suppose to get 35 mpg. He purchased 14 ¾ gallons of gas for his trip. If he traveled 467 ½ miles, did he get 35 mpg?

5941

1x

14467

gallonmiles

gallonmiles

31x4321

Jack’s car only got about 32 miles per gallon.

Page 4: Solving Story Problems Involving Rates. Example #1 Jack drove an average of 55 mph on his trip. He spent a total of 8.5 hours driving. How far did he

Example #3

Jenny, Jack’s wife found a hotel for $185 for a two night stay and another hotel nearby for $275 for a three night stay. Which is the better buy?

67.91$

50.92$

3275

2185

nightmoney

The three night stay is a better rate.

Page 5: Solving Story Problems Involving Rates. Example #1 Jack drove an average of 55 mph on his trip. He spent a total of 8.5 hours driving. How far did he

Example #4

Jack and his family is traveling in Canada for part of their trip. They spend money on souvenirs that cost $234.50 CAD. If the exchange rate is 1 USD = 1.21 CAD, how much did they spend in US currency?

801.193x50.234

x21.11

CADUSD

CADUSD

This is $193.80 in USD.