Thomas has finished 4 problems of his weekly math homework. If he needs to solve a total of 20 problems, which of the following shows the equivalent of the percentage of his math homework Thomas still needs to complete?

A. 20/100


B. 80/100


C. 0.20
D. 0.08

B. 80/100

When x = 8, what does y equal?

x + y = 24
A.
y = 3

B.
y = 8

C.
y = 16

D.
y = 32