Question

Solve for x

3/10 = x/7
Give your answer as an improper fraction in its simplest form!!!!!

Answer 1

x = 21/10

Explanation:

3/10 = x/7

Cross multiply.

10x = 21

x = 21/10

Answer 2

x is 21/10

Explanation:

3/10 = x/7

Multiply through by the LCM of 10 and 7 which is 70

we have

3/10 × 70 = x/7 × 70

21 = 10x

Divide both sides by 10

We have

21/10 = 10x /10

x = 21/10

Hope this helps you