Question

1. If x+3/3=y+2/2, then x/3 = ____.
A. y+1

B. y/3

C. y/2

D. y-1


2.A model is made of a car. The car is 10 feet long and the model is 7 inches long. What is the ratio of the length of the car to the length of the model?
A. 10 : 7

B. 7 : 120

C. 120 : 7

D. 7 : 10


3. 4/9=m/54

A. 24

B. 1/24

C. 6

D. 2/3

Answer 1

x+3/3=y+2/2

the left side needs to look like x/3

First we want to isolate x on the left side. What should we do?

Answer 2

i dont understand

Answer 3

Do you know how to multiply?

Answer 4

yes

Answer 5

Multiply both sides by 3

Answer 6

9

Answer 7

lol you don't know how to multiply?

Answer 8

Well let's do an easier one first # 3

4/9=m/54
\[\frac{4}{9}=\frac{m}{54}\]

Answer 9

Multiply both sides by 54 in order to isolate m on the right side. Can you tell me what you get for m?

Answer 10

so 54 *4 and 9

Answer 11

yes \[\frac{54*4}{9}=m\]

can you simplify that?

Answer 12

486/9=m

Answer 13

54=m

Answer 14

How did you get 486?

Answer 15

54*4

Answer 16

No that doesn't sound right. Do it again.

Answer 17

216