Math Olympiad 5

Sum, Difference & Multiple( Week 3 Practice)

1. Jennifer is 8 times the age of Josh who is 7 years younger than Hillary. If the total age of the three is 137, how old is Hillary?

2. The length of a rectangle is 4.5 times its width. If the perimeter of the rectangle is 319 inches, what is its length (in inches)?

3. In a 2-hour test of 270 questions, there are 30 questions on math. Each math question is given twice as much time to answer as each of the other questions. How much time is allotted to all the math questions (in minutes)?

4. Eric has a collection of quarters, dimes and nickels amounting to $10.40. If he had 10 more nickels than quarters and 25 more dimes than nickels, how many of each kind of coin did he have?
Quarter(s): .
Dime(s): .
Nickel(s): .

5. The sum of 7 continuous even numbers is 140. What is the smallest even number among the 7 numbers?

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