Question

a ×a =b
a+a+a+a=b
what number does b represent?​ how to think that we have to try with no.4??my child is asking as answer is 16....any way to help​

Answer 1

Yes the value of b will be 16

Answer 2

a×a=b

a=b/a equation 1

substitute equation 1 in

a+a+a+a=b

b/a + b/a + b/a + b/a=b

4b/a=b

4/a=1

a=4

substitute the the value of a in equation 1.

a=b/a

4=b/4

b=4×4

b=16