Question

Evaluate the expression 15x+4 for x = 2 and 1/3

Show your Work.
a. -18
b. 39
c. 20 and 1/2
d. 29 and 1/2

Answer 1

b. 39

Explanation:

x = 2 and 1/3

15(2
`(1)/(3)` )+4

15 (7/3) + 4

`(15)/(1) * (7)/(3)`+ 4

`(3*5)/(1) *(7)/(3)` cross cancel

`(5)/(1) * (7)/(1)` = 35

35 + 4 = 39