Answer:
The final cost is $115.74.
Step-by-step explanation:
Total amount of 30 days with tax = = 538.92 dollars
This value is for 30 days, and its prorated for 7 days, so value for 7 days is =
= 125.74 dollars
And $10 is off, so final cost is dollars
(Suppose the discount coupon is applied at the end of billing)
$528.12
499-10
489×1.08= 528.12
( − 7.00006693 , − 0.00006693 ) ( 0.68099975 , 7.68099975 )
Step-by-step explanation
multiply both sides by 3
x>= 15
100
93x51=4743 (the picture shows how I multiplied it)