Level 3
Charlie bought $642 worth of staplers and pens. He bought thrice as many pens as staplers. He spent $334 more on pens than on staplers. Each stapler cost $1.60 more than each pen. Find the price of a stapler.
Level 3
Howard sold 57 more blueberry muffins than banana muffins on Thursday. On Friday, the number of banana muffins he sold decreased by 80% while the number of blueberry muffins he sold remained the same. He sold each tart for $1.80. He sold a total of 153 muffins on Friday. How much money did he receive from the sale of muffins on both days?
Level 3 Ana bought pieces of paper to make 3 lanterns. She used 15 of the pieces of paper on the first lantern. She used 40 more pieces of paper on the second lantern than the first lantern. She used the remaining 65 pieces of paper on the last lantern. How many pieces of papers did she buy?
Level 3 Jen had a sum of money. She spent an equal amount of money daily. At the end of the eighth day, she was left with 25 of her money. At the end of the tenth day, she was left with $12. How much money did she have at first?
