Question

What value for z makes this equation true?

(10 · 10) + (10 · 5) = 10 · Z

A.
5

B.
10

C.
15

D.
20

Answer 1

C because 10 times 10 is 100 plus 10 times 5 is 50 add it up is 150.
10 times 15 is 150

Answer 2

(10×10)+(10×5)=10z
100+50=10z
150=10z
z=15 which is C. Hope it help!