Level 3
Cathy had some coin collection. 14 of them were red and the rest were yellow. She gave away 135 of the yellow coins and 50% of the red coins. She then had 15 of her coin collection left. How many coins did Cathy give away?
Level 3
Liam had 57 as many 20-cent coins as 1-dollar coins in his piggy bank. Each time, four 20-cent coins and six 1-dollar coins were taken out from the piggy bank. In the end, only seven 20-cent coins and four 1-dollar coins were left in the piggy bank. How many more 1-dollar coins than 20-cent coins were there in the piggy bank at first?
Level 3
Aunt Tina baked 50 less cookies than muffins. After she gave 35 of the muffins and 0.7 of the cookies to Cathy, she was left with 88 fewer cookies than muffins. How many muffins did she bake?
Level 3
Lisa had 740 more candies than Anna. Lisa used
56
of her candies and Anna used 12 of her candies. In the end, Lisa had 2 times as much as Anna. Find the number of candies Anna had at first.
Level 3
Bryan's money was 335 times his sister's money. After his mother gave him $44 and his sister $122, Bryan then had twice as much money as his sister. How much money did Bryan have at first?
