Question

Find the value of n in the equation 6.2n – 3.7n = 85 + 45.

A. 16
B. 325
C. 13.13
D. 52

Answer 1

2.5n=130
n=52
Answer is D. 52

Answer 2

D. 52

Explanation:

Add 85 and 45 to get 130.

6.2n-3.7n=130

Subtract 3.7 from 6.2

2.5n=130

divide 130 by 2.5 to find n

N=52