Question

When 3.9 is added to 6 times a number, the result is 57.3. Find the number

Answer 1

Answer: 8.9

Explanation:

Let x = the number you are finding

SOLVE:

3.9+6x=57.3 ⇔ Given

6x=53.4 ⇔ subtract 3.9 on both sides

x=8.9 ⇔ Divide 6 on both sides

ANSWER:

The number is 8.9