instruction:
Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
question:
Problem: if the price of a certain computer increased 30 percent from b dollars to 351 dollars, then 2 b =
Options: a. 540, b. 570, c. 619, d. 649, e. 700
answer:
a


question:
Problem: a couple spent $ 211.20 in total while dining out and paid this amount using a credit card. the $ 211.20 figure included a 20 percent tip which was paid on top of the price which already included a sales tax of 10 percent on top of the price of the food. what was the actual price of the food before tax and tip ?
Options: a. $ 120, b. $ 140, c. $ 150, d. $ 160, e. $ 180
answer:
d


question:
Problem: in a survey of parents, exactly 5 / 6 of the mothers and 3 / 4 of the fathers held full - time jobs. if 40 percent of the parents surveyed were women, what percent of the parents did not hold full - time jobs ?
Options: a. 10 %, b. 12 %, c. 15 %, d. 18 %, e. 22 %
answer:

e