Total number of days= 7n+x
Total Rent= n*charge per week+ x*charge per day
Statement 1-
Total rental charge=184
Case 1- If Olga rented Economy
100+28x=184
x=3
Olga could rent Economy
Case 2- If Olga rented Compact
120+30x=184
x=64/30 (not an integer)
Olga couldn't rent Compact
Case 3- If Olga rented Midsize
140+32x=184
x=44/30 (not an integer)
Olga couldn't rent Midsize
Case 4- If Olga rented Standard
160+34x=184
x=24/34 (not an integer)
Olga couldn't rent Standard
Case 5- If Olga rented Luxury
39x=184
x=184/39 (not an integer)
Olga couldn't rent Luxury
Olga rented Economy
Sufficient
Statement 2-
Statement 2 just provides total number of days; Hence, it could be any car that Olga rented.
Insufficient
gmatt1476 wrote:
The table above shows the car rental charges at Thrifty Agency. The daily rate applies for each day or fraction of a day in excess of any multiple of a 7-day week, up to the charge per week. If Olga rented a car of one of the types indicated, which type was it?
(1) Olga's total rental charge, based only on the rates specified, was $184.
(2) Olga rented the car for 10 days.
DS94502.01
Attachment:
2019-09-22_0358.png