Solve+James's+problem

To encourage James to work harder in math his mother said she would pay him 10 cents for each right answer and subtract 5 cents for each wrong answer. If he earned 20 cents after doing 32 problems, how many problems did James get right? How many did he get wrong?

How many would he have to get right to earn more than a dollar? You could add your answer to the discussion pages.

Solve Hugh's problem To encourage Hugh to work harder in math his mother said she would pay him $1 for each right answer and subtract 25 cents for each wrong answer. If he earned $10 after doing 35 problems, how many problems did Hugh get right? How many did he get wrong?

How many would he have to get right to earn more than $15?

"If you have a square and you cut off one corner, how many corners do you have left?" asked Mrs. Wheeler. "Easy," answered Tony. "Three." "Wrong, Tony!" cried Donnie. Where did Tony go wrong? Explain (including a sketch).

Bill received $12 to feed a neighbor's cat for 3 days. At this pay rate, how many days will he have to feed the cat to earn $40? The neighbor's family is going on vacation for 3 weeks next summer. Bill wants to earn enough money to buy a CD player that costs $89. Will he have enough money? Explain.

A farmer milks 16 cows every hour. The size of his herd varies as new calves are born and he sales off some of his stock. He never has less than 48 cows nor more than 64. How many hours does it take him to milk his cows? Explain.