Level 2
Marie and Jean had $800 altogether. After Marie gave 15 of her money to Jean, both had the same amount of money. How much money did Marie give to Jean?
Level 2
Wendy's father's weight to her weight is 8 : 3. If Wendy puts on 60% more weight, by what percentage must her father's weight be reduced by so that their total weight remains unchanged as before? Correct the answer(s) to 1 decimal place.