Question

0.1d +.25 (10) = 12.5 what is d

Answer 1

d = 100

Explanation:

0.1d + 0.25(10) = 12.5

0.1d + 2.5 = 12.5

0.1d + 2.5 - 2.5 = 12.5 - 2.5

0.1d = 10

0.1d × 10 = 10 × 10

d = 100