Level 3
Tony, Rey and Carlo have a total of $400. Tony has $29. The amount of money Carlo has is 4 times the total amount Tony and Rey have. How much more money does Carlo have than Rey?
Level 3
Esther had $350 more than Kevin. Esther spent 34 of her money and Kevin spent 47 of his money. In the end, Kevin and Esther had the same amount left. Find the amount of money that Kevin had at first.