Level 3
Tank A has thrice as much water as Tank B. If Gilbert adds 0.5 ℓ of water to Tank A and 1.8 ℓ of water to Tank B, both tanks will have the same volume of water. Find the volume of water in Tank A at first.
Level 3
Mrs Decruz baked 8 muffins more than cakes. Each muffin needed 0.06 kg of flour while each cake needed 0.5 kg of flour. She used a total of 1.6 kg of flour. How many muffins did Mrs Decruz bake?
Level 3
Muffins are sold in Delicious Bakery at the prices shown: 1 chocolate muffin $1.80 1 raisin muffin $1.20. Mrs Wong bought 5 more raisin muffins than chocolate muffins from this bakery. She paid $12 in total. How many muffins did Mrs Wong buy altogether?
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.
Level 3
There is an equal number of 50-cent coins and 10-cent coins in a box. The total value of the 10-cent coins is $6.80 less than the total value of the 50-cent coins.
