Question

Evaluate the expression solve for b = 15

19.9 + 2b =

Answer 1

19.9 + 2(15) = 49.9
You just plug in the b value

Answer 2

49.9

Explanation:

if b is 15 then you multiply 2 and 15 (b) to get 30. then you add 19.9 and 30 to get 49.9