A company accountant estimates that airfares next year for business trips of a thousand miles or less will increase by 2

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Source: GMAT Paper Tests

A company accountant estimates that airfares next year for business trips of a thousand miles or less will increase by 20 percent and airfares for all other business trips will increase by 10 percent. This year total airfares for business trips of a thousand miles or less were $9,900 and airfares for all other business trips were $13,000. According to the accountant's estimate, if the same number of business trips will be made next year as this year, how much will be spent for airfares next year?

A. 22930
B. 26180
C. 26330
D. 26490
E. 29770

The OA is B

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BTGmoderatorLU wrote:
Sat Jul 24, 2021 4:46 pm
Source: GMAT Paper Tests

A company accountant estimates that airfares next year for business trips of a thousand miles or less will increase by 20 percent and airfares for all other business trips will increase by 10 percent. This year total airfares for business trips of a thousand miles or less were $9,900 and airfares for all other business trips were $13,000. According to the accountant's estimate, if the same number of business trips will be made next year as this year, how much will be spent for airfares next year?

A. 22930
B. 26180
C. 26330
D. 26490
E. 29770

The OA is B
We can try as follows,

Fares last year Under 1000 miles: \(x = 9,900\)
Fares last year Over 1000 miles: \(y = 13,000\)

The number of trips will remain the same from one year to the other.

Total spent on fares next year \(= x\cdot 1.2 + y\cdot 1.1 = 11,880 + 14,300 = 26,180\)

Therefore, B