The total price of the purchases is 120 + 19 = 139 euros. The amount of money he has after his father's help is 55 + 20 = 75 euros. The purchase amount is 139 euros, so he is missing 139 75 = 64 euros.
The answer: 64
Reverse engineering the question: Ibrahim wants to buy an MP3 player for 120 euros and a CD for 19 euros. He has 55 euros in savings. His father participates in his purchase by giving him 20 euros. How much money does Ibrahim lack?

The sales of the carrot is 57 x 2 = $114. Half the sales of carrot is $114 / 2 = $57. So, the sales of the spinach is $57 + $16 = 73. The total sales of the broccolis, carrots, spinach is $57 + $114 + $73 = $244. They made $380 - $244 = $136 from cauliflower sales.
The answer: 136
Reverse engineering the question: Maya's organization hosted a weekly farmers' market to raise money for the church choir. They sold broccolis, carrots, spinach, and cauliflowers. After adding together all of their earnings, Maya found out that they had made $380. The organization made $57 from broccoli and the sales of the carrots are twice as much as the sales of broccoli. Then, their sales for the spinach is $16 more than half of the sales of carrots. How much did they make from cauliflower sales?

Jerry paid $12 + $3 = $15 last month. He paid a total of $12 + $15 = $27 for two months. Therefore, Jerry still has to pay $50 - $27 = $23.
The answer: 23
Reverse engineering the question: Jerry paid off some of his debts. Two months ago, he paid $12 while last month, he paid $3 more. If his debt was $50 in all, how much does he still have to pay?

Jenny needs to print 7 * 25 = 175 pages. This will cost 175 * $.10 = $17.5. The pens will cost 7 * $1.50 = $10.50. In total, she will spend $17.5 + $10.5 = $28. Since she pays with 2 twenty dollar bills she pays with 2 * 20 = 40 dollars. Thus, she will get $40 - $28 = $12 in change.
The answer: 12
Reverse engineering the question:
It costs $.10 to print one page. Jenny wants to print 7 copies of her 25-page essay. She also wants to buy 7 pens that each cost $1.50. If she pays the store with 2 twenty dollar bills, how much money should she get in change?