Extended Ratios and Proportions

Charlie Browns Christmas tree is 18 inches tall. The Christmas tree at Mr.Bass' house is 8 ft tall. What is the ratio of Charlie Browns tree to Mr. Bass' Tree?

• 18/8

• 8/18

• 3/16

• 16/3

Write the ratio of the first measurement to the second measurement.

Length of a classroom:  18 ft 4 in
Length of a closet:  48 in                  

• 55/12

• 12/55

• 9/2

• 2/9

Write the ratio of the first measurement to the second measurement.

Length of the school bus: 9 yd
Length of an SUV: 12 ft              

• 9/4

• 4/9

• 3/4

• 4/3

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18

• 3:2

• 30:18

• 18:7

Solve for x
20/5 = x/25

• x=100

• x=4

• x=120

• x=5

Solve for n
12/6 =  4/n

• n=4

• n=2

• n=3

• n=6

Solve for x

• x=6.5

• x=8

• x=4

• x=5.5

Solve the proportion:

• 4

• 8

• 14

• 10

The ratio of pass to fail in PE class is 5:1.  If there are 90 students in PE, how many are passing?

• 75 students are passing

• 75 are failing

• 15 students are passing 

• 15 students are failing

The angles of a triangle are in an extended ratio of 5:7:3. What is the measure of the largest angle?

• 84^o

• 12^o

• 60^o

• 36^o