Level 1
For every $15 Chloe saves, her father would give her $2.50. If she saved a total of $345 by herself after some months, how much would she have received from her father?
Level 3
Gem bought 7 novels of the same kind during a sale. Tina bought 3 of the same books. She also bought 3 postcards at $4.10 each. Altogether, she spent $3.10 more than Gem. What was the amount Tina spent?
