Level 3
Tina and Sarah have some cupcakes each. If Tina gives Sarah 49 cupcakes, Tina will have 34 as many cupcakes as Sarah. If Tina gives Sarah 19 cupcakes, they will have an equal number of cupcakes. How many cupcakes does Tina have at first?
Level 3
Selina bought 4 cream puffs more than egg tarts. Each cream puff cost $0.80 while each egg tart cost $1.40. Given that she spent $25.20 in total, how many egg tarts did Selina buy?
Level 3
Selina bought 4 cream puffs more than egg tarts. Each cream puff cost $0.80 while each egg tart cost $1.40. Given that she spent $26.80 less on the cream puffs than on the egg tarts, how many cream puffs did Selina buy?
Level 3
There were 6 more 20-cent coins than 50-cent coins in a bag. Given that the value of all the 50-cent coins were $11.40 more than the value of all the 20-cent coins, how many 20-cent coins were there in the bag?
Level 3
10 days ago, Ruth had a total of 250 green and violet stickers. 40% of her stickers were violet stickers. Today, her father gave her some more stickers. As a result, her green stickers increased by 30%. Now, 50% of her stickers are violet stickers. How many violet stickers did her father give her?
