Chapter Test Rates, Ratios, Proportions

Which is the better deal?
Oreos
$2.98 for 15 oz
OR
Chips Ahoy
$2.50 for 14 oz

• Oreos

• Chips Ahoy

Find the unit rate:

$78.75 in 9 hrs

• $78.75

• $708.75

• $1.31

• $8.75

Find the unit rate:

308 miles on 11 gallons of gasoline

• 28 mpg

• 0.39 mpg

• 3,388 mpg

• 308 mpg

Express the ratio as a fraction in simplest form.

Find the height of the person.

• 4 ft

• 6.25 ft

• 1.25 ft

• 5.75 ft

A blueprint was using a scale of 3cm=4.5m. Find the actual length if it is 5cm on the drawing.

• 7.5 m

• 13.5 m

• 1.5 m

• 1.7 m

A family is drawing a blueprint of their backyard. The scale is 1in:7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in

• 7 in

• 42 in

• 56 in

Which proportion can be used to solve for the missing side?

• 
• 
• 
• 

Find side length X.

• 30

• 25

• 15

• 40

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree? Hint: the figures are similar triangles.

• 8 feet

• 72 feet

• 36 feet

• 144 feet