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
There are an equal number of 20-cent coins and 50-cent coins in a box. The total value of the 50-cent coins is $2.10 more than the total value of the 20-cent coins. Find the number of 50-cent coins in the box.
