Mason’s mother pledged $.80 for every 20 problems that Mason solves for the St. Jude’s Mathathon. If Mason completes 250 problems, how much money will his mother donate?
Ray plans to read for 20 minutes for every 60 minutes that he plays his video game. If he plays his video game for 210 minutes, how many minutes should he have spent reading?
Mr. Mitchell drinks about 5 liters of water for every 18 holes of golf that he plays. If he drank about 12 1/2 liters of water while golfing last weekend, how many holes of golf did he play?
Patrick entered the St. Jude’s Mathathon. His parents agreed to match every whole dollar that Patrick collects in the
Mathathon with $1.50. Patrick got pledges from other sources (neighbors and friends) that added up to $0.14 for every 5 problems that he completed. If Patrick completed 220 problems, how much did Patrick raise for the St. Jude's Mathathon?