1) Keith and shawn each have some money. If keith spends
$38, the ratio of the amount of money Keith has to the amount of
money Shawn has will become 2:5. If Shawn spends $38, the
ratio will become 8:13. How much money does each boy have?
2) In a pastry shop, the number of cales was twice the number of
cream puffs. After 90 cakes and 42 cream puffs were sold, the ratio
of the number of cakes left to the number of cream puffs left was
2:5. How many cakes and cream puffs were in the shop at first?
3) The ratio of the number of muffins to the number of pies in a
bakery was 4:1. After another 63 muffins and 46 pies were baked,
the ratio become 3:1. How many muffins and pies were there in the
bakery at first?