Level 3
If Kelly sells a hand phone at a discount of 20% of the usual price, she will make a profit of $40. If she sells it at a discount of 40%, she will incur a loss of $45. Find the price of the hand phone.
Level 3
If Jerome sells a camera at a discount of 5% of the usual price, he will make a profit of $75. If he sells it at a discount of 20%, he will still make a profit of $30. Find the cost price of the camera.
Level 3
If Melvin sells a television at a markup price of 10% above its usual selling price, he will make a profit of $500. If he sells it at a discount of 20% of its usual selling price, he will incur a loss of $100. Find the selling price of the television.
Level 3
Marion had some red and pink marbles. If she gives away 16 red marbles, the number of red marbles will be 10% of the total number of marbles left. If she gives away 48 pink marbles, the number of red marbles will be 25% of the total number of marbles left.
Level 3
Cathy and Queenie have some money. If Cathy spends $7, she will have 45 as much money as Queenie. If Queenie spends $3, Cathy will have 56 as much money as Queenie. How much money does Cathy have?