题目信息
| CAR RENTAL CHARGES AT THRIFTY AGENCY | ||
| Car Type | Charge per day | Charge per Week (7 days) |
| Economy | $28 | $100 |
| Compact | $30 | $120 |
| Midsize | $32 | $140 |
| Standard | $34 | $160 |
| Luxury | $39 | $200 |
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?
A:Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B:Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C:BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D:EACH statement ALONE is sufficient.
E:Statements (1) and (2) TOGETHER are NOT sufficient.
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正确答案：
A:Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Arithmetic Interpretation of tables
Determine which type of car Olga rented.
Since Olga's total rental charge was $184, determine for which type of car (economy, compact, midsize or standard)
is an integer. Note that Olga did not rent a luxury car because 184 < 200 and 184 is not a multiple of 39.
Olga rented an economy car; SUFFICIENT.
Just knowing that Olga rented the car for 10 days is not enough information to determine which type of car she rented; NOT sufficient.
The correct answer is A;statement 1 alone is sufficient.
Determine which type of car Olga rented.
Since Olga's total rental charge was $184, determine for which type of car (economy, compact, midsize or standard)
is an integer. Note that Olga did not rent a luxury car because 184 < 200 and 184 is not a multiple of 39.| Economy: | 184 − 100 = 84 = 3(28) |
| Compact: | 184 − 120 = 64, not a multiple of 30 |
| Midsize: | 184 − 140 = 44, not a multiple of 32 |
| Standard: | 184 − 160 = 24, not a multiple of 34 |
Olga rented an economy car; SUFFICIENT.
Just knowing that Olga rented the car for 10 days is not enough information to determine which type of car she rented; NOT sufficient.
The correct answer is A;statement 1 alone is sufficient.
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