Question

Please answer each question if you can. I am taking a timed test and I do not understand.

All of the following are equivalent except _____.

7.5:4.5
5 is to 3
15/5
45/27

Solve for the variable in the following proportion.
4/7 = x/161
x=___

Solve for the variable in the following proportion.

1/4 is to 1 1/4 as 2 is to b
b=___

Solve for the variable in the following proportion.
5/25 = m/125
m=___

Answer 1

For the first one, I am pretty sure 15/5 is wrong. All of the other ones equal 1.6 and 15/5 equals 3

Answer 2

the last one m equals 25

Explanation:

125/25=5 5x5=25 5/25=25/125