Answer :
The original cost of her dinner was 20 dollars.
First set up an equation,
.30x = 6
(x represents the original cost)
To isolate x, divide both sides by .30.
x = .30/6
x= 20 (the original cost)
First set up an equation,
.30x = 6
(x represents the original cost)
To isolate x, divide both sides by .30.
x = .30/6
x= 20 (the original cost)