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?
