Problem 4

Tim has \$683. If he gives Matt \$324, then they will both have the same amount of money. How much money did Matt have before?

Problem 5

90 toys were sold in the first day at a shop. In each of the following three days, 74 more toys were sold than the day before. What's the number of toys sold in the 4 days?

Problem 6

Can we build a triangle whose sides are 185 cm, 378 cm and 563 cm?