Answer :

Answer:

3/10

Step-by-step explanation:

(2/5)*2=4/10.    7/10-4/10=3/10

wegnerkolmp2741o

Answer:

3/10

Step-by-step 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

Other Questions