What is the value of s in the equation below?

0.3s + 0.8 (s − 12) = 33.3

A 4.29
B 34
C 39
D 41.2

1 answer

0.3s + 0.8s − 9.6 = 33.3

1.1s = 33.3 + 9.6 = 42.9

s = 42.9/1.1 = ?