Answer: Well you’re solving for “x,” so you’ll need to isolate this variable. This means we need to “get rid of” the fraction 2/3 that is attached to it. The faction is attached by the operation multiplication, so to remove it we must divide it on both sides. And division with fractions requires the reciprocal. (Try watching an explanation if you’re confused on why division requires reciprocals).
.3 * 18 = 5.4. 18-5.4 = 12.6$
Or
.7 * 18 = 12.6$
Answer:
D. x = -1.
Step-by-step explanation:
I have attached an explanation to your problem. Please see the attachment below.
Answer:
The tip was 7.77 dollars, which represent 18.5% of the value of the bill
Step-by-step explanation:
Dollars paid as tip
$49.77 - $42 = $7.77
$42 represent 100% of the bill
$7.77 ---------------x
x = (7.77/42)*100% = 18.5%
