Question

Someone’s pls give me the answer to this!

Answer 1

3/10

Explanation:

(2/5)*2=4/10. 7/10-4/10=3/10

Answer 2

3/10

Explanation:

2/5 + x = 7/10

Get a common denominator of 10

2/5 * 2/2 = 4/10

4/10 +x = 7/10

Subtract 4/10 from each side

4/10 +x -4/10 = 7/10 -4/10

x = 3/10