Question

The sum of two numbers is 56. The difference of the 2 numbers is 16. What

is the product of the two numbers?
OA) 720
B) 735
OC) 748
OD) 759
Please help me!

Answer 1

X+y=56 equation 1

X-y=16 equation 2

X+y+x-y=56+16

2x=72(divide Both side by 2)

X=36

X+y=56(from equation 1 to find y)

36+y=56

Y=56-36

Y=20

So their product is xy

36×20

720

So the answer is 720