Question: Emma bought 3 dozens of macarons in addition to her 10 pieces of macarons for a party. If 15 pieces of macarons are left over, how many pieces of macarons were eaten?
Answer: Three dozens of macarons are equal to 3 x 12 = 36 pieces of macarons. So Emma has a total of 36 + 10 = 46 pieces of macarons for the party. Therefore, 46 - 15 = 31 pieces of macarons were eaten. The answer is 31.

Question: It takes 3 men an hour to complete a job. If they are hired to work on 5 such similar jobs by a company that pays each of them $10 per hour, calculate the total amount of money the three will earn when they complete the jobs?
Answer: Since they are paid $10 each per hour of work and can complete a job in one hour, they earn a total of $10 * 3 = $30 together for an hour of work. If they earn together $30 for one job, for the five jobs, they'll earn $30 * 5 = $150. The answer is 150.

Question: Two friends, Hubert and Ian, are planning to have a pizza party. One box of pizza is worth $14, and a can of soda is worth $1.80. Hubert orders eight boxes of pizza and ten cans of soda. Ian buys ten boxes of pizza and fifteen cans of soda. How much do they spend in all?
Answer: The number of boxes of pizza is 8 + 10 = 18 boxes. The number of cans of soda is 10 + 15 = 25 cans. The eighteen boxes of pizza cost 18 x $14 = $252. The cost of 25 cans of soda is 25 x $1.80 = $45. Therefore, the total amount they spend is $252 + $45 = $297. The answer is 297.

Question: There are 80 men in a race. 1/4 of the men tripped and were unable to finish. 2/3 of the remaining men were dehydrated and 1/5 of those dehydrated men couldn't finish the race. How many men finished the race?
Answer:
1 / 4 of 80 men is 80 / 4 = 20 men. 20 men couldn't finish, so 80 - 20 = 60 men remain. 60 * 2 / 3 = 40 men were dehydrated. 1 / 5 of the dehydrated couldn't finish 40 * 1 / 5 = 8 men. 60 - 8 = 52 men finished the race. The answer is 52.