Level 3
Adam buys 2 stickers and 3 marbles.
He finds that that he can buy 7 stickers with the same amount of money.
Each sticker costs 75¢.
How much is each marble?
Give the answer in dollars.
Level 2
Adam spends 12 of his monthly income on transport, 25 of it on food
and saves the rest.
If he saves $600 each month,
how much does he earn a month?