Answer
345678 times 23456789
Do reciprical and multiply
40 x .80 = 32 x 1.05 = 33.60 is what she paid
3 years ago<span>Let x = a certain number of cookies
5x = 3x + 20
5x - 3x = 20
2x = 20
x = 20/2
x = 10
John: 5x = 5(10) = 50
Jerry: 3x + 20 = 3(10) + 20 = 30 + 20 = 50
They both have 50 cookies a piece</span>
Answer:
The answer is x=-3.
Step-by-step explanation:
10x+9=4x-9
10x-4x+9=4x-4x-9
6x+9=-9
6x-9+9=-9-9
6x=-18
x=-3
