R1 - Introduction

Simplify the following ratio.

 

 

30

45

Simplify the following ratio.

 

 

18

45

Find the unit rate.  (How much for one.)

 

 

4 hours

$89

$
per hour

Find the unit rate.  (How much for one.)

 

 

3 oranges

$.99

$.
per orange

Solve the following proportions.

 4

 7

16

Solve the following proportions.

45

 5

 3

Solve the following proportions.

 4

16

 6

Solve the following proportions.

1.5

 4

 6

A car uses 15 gallons of gasoline for a trip 330 miles. 

How many gallons of gasoline would be used for a trip

of 990 miles?

gallons

Which is the better buy?  (Hint:  find the unit price or

price for one ounce for each.)

a 24 ounce can of apple juice for $1.05
a 20 ounce can of apple juice for $.90
a 8 ounce can of apple juice for  $.40
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