The task is to generate the correct answer for a given math problem.

[Q]: Problem: the sum of all the digits of the integers from 18 to 21 inclusive is 24 ( 1 + 8 + 1 + 9 + 2 + 0 + 2 + 1 = 24 ) . what is the sum e of all the digits of the integers from 0 to 99 inclusive ?
[A]: 900


[Q]: Problem: if the average of 5 x and 8 y is greater than 90 , and x is twice y , what is the least integer value of x ?
[A]: 4


[Q]: Problem: jim â € ™ s taxi service charges an initial fee of $ 2.5 at the beginning of a trip and an additional charge of $ 0.35 for each 2 / 5 of a mile traveled . what is the total charge for a trip of 3.6 miles ?
[A]:
$ 5.65