Ascale drawing of a school bus has a scale of 12 inches to 5 feet. if the length of the school bus is 412 inches on the scale drawing, what is the

The actual length of the bus is 45 ft

Step-by-step explanation:

The complete question is

A scale drawing of a school bus has a scale of 1/2 inch to 5 feet. If the length of the school bus is 4 1/2 inches on the scale drawing, what is the actual length of the bus?

we know that

The scale is

The length of the school bus is 4 1/2 inches on the scale drawing

To find out the actual length of the bus, divide the length on the scale drawing by the scale

Convert mixed number to an improper fraction

Find the actual length of the bus

c. 4 1/4 pounds

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional