Unknown = x
the quotient of x and 12 is x/12 than 49 more than that is 53,
(x/12)+49=53, now use basic math and solve
-49 from both side,
x/12=4
*12 to both side,
x=48
therefore the unknown number is 48
Starting: 46.75
After 55% discount: 21.04
Total: $21.04
Answer:
Step-by-step explanation:
C - 3(2^x).
