Let x = first number, and y = second number.
x + y = 40 (1)
x - y = 6.5 (2)
Rearrange (2)
y = x - 6.5 (3)
Sub (3) in (1)
x + (x - 6.5) = 40
2x - 6.5 = 40
2x = 33.5
x = 16.75 (4)
Sub (4) in (1)
16.75 + y =40
y = 23.25
x * y = 16.75 * 13.25 = 221.9375
The product is 221.9375
Answer:28.73
Step-by-step explanation:
Answer & Step-by-step explanation:

Add 1 to both sides.

Multiply both sides by 4.

Take the square root of both sides.


Subtract 5 from both sides.

Answer:
22/40 or 11/20
Step-by-step explanation:
12 + 10 + 18 = 40
12+ 10 = 22
Answer:
GCF of 12x^2y^7 and 28x^3y^4
<h2>
12x^2y^7===> <u>
12x^2y^7<=YOUR ANSWERS</u></h2><h2>
28x^3y^4===> <u>
28x^3y^4<=YOUR ANSWERS</u></h2>