Ratios

Athens - Acropolis Parthenon (West Side)

Have you ever heard of the Golden Ratio?

Corey buys a jacket on sale for $53.99. Before the sale the jacket cost $63.89. What is her percent rate of savings?

An Example ...

Now you try ...

Andrea goes to her local department store and buys the following items:

Old Price 1 shirt @ $18.99 2 pairs of socks @ $3.29 each 1 sweater @ $25.50

New Price1 shirt @ $16.992 pairs socks @ $2.67 each1 sweater @ $19.99

(b)Find the total bill and include the taxes.

(a)Find the percent rate of savings for each item.

Now you try ...

Andrea goes to her local department store and buys the following items:

Old Price 1 shirt @ $18.99 2 pairs of socks @ $3.29 each 1 sweater @ $25.50

New Price1 shirt @ $16.992 pairs socks @ $2.67 each1 sweater @ $19.99

(b)Find the total bill and include the taxes.

What is a ratio?

Fruits Vegetables

Part Whole: Part Part:

Part Part:

Part Whole:

Part Part:

Lee's soccer team played 16 games and won 9 of them.

Express the number of games won to the number of games played as a ratio.

Express the number of games won to the number of games lost as a ratio.

Express the number of games lost to the number of games played as a ratio.

Sam is looking for posters to cover the walls in his room. He finds one poster that is 50 cm by 50 cm. He finds another that is 21 cm by 67 cm.

Find the area of each poster. Compare the area of the first poster to the are of the second using a ratio. Do you notice anything about the ratio you made?

Assignment: Page 237Questions #1 to 8