Answer:
Step-by-step explanation:
$870.57
use equation total = Principal(1 + rate*time)
6000 - 1800 = 4200
4200/4 = 1050
so she donated 25% to charity
Answer:
15, 17, 19, and 21
Step-by-step explanation:
make the equation
x+x+2+x+4+x+6=72
simplify
4x+12=72
x+3=18
x=15
You already know what it is cuh
Answer:
The original price is 337.50
Step-by-step explanation:
If we get 20% off, we still have to pay 100-20 =80%
Let x be the original price
x *80% = 270
.80x = 270
Divide each side by .80
.80x/.80 = 270/.80
x =337.50
The original price is 337.50