Math Olympiad 5

Sum, Difference & Multiple( Week 3 Practice)

1. Edward is 7 times the age of Emily who is 8 years younger than John. If the total age of the three is 125, how old is John?

2. The length of a rectangle is 3 times its width. If the perimeter of the rectangle is 120 inches, what is its length (in inches)?

3. In a 3-hour test of 220 questions, there are 40 questions on math. Each math question is given 3 times as much time to answer as each of the other questions. How much time is allotted to all the math questions (in minutes)?

4. Steve has a collection of quarters, dimes and nickels amounting to $11.70. If he had 50 more nickels than quarters and 10 more dimes than nickels, how many of each kind of coin did he have?
Quarter(s): .
Dime(s): .
Nickel(s): .

5. The sum of 9 continuous even numbers is 198. What is the smallest even number among the 9 numbers?

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