Problem |
Hint |
1) Define the operation V as p V q =
(p + q)/(2p + q).
What is 6 V 4 in lowest terms? |
1. In the expression for V, p = 6 and q = 4.
2. Put these values into the equation for V and solve = _____
3. Reduce to lowest terms = _____
|
2) Rory knows he is 8 inches shorter than his sister. He's figured out that his height in inches is 7/8
her height in inches. How tall is he in inches?
|
1. If he is 7/8ths of his sister's height then what remains is the fraction _____.
2. This fraction of his sister's height is 8 inches.
3. His sister's height is ____ inches.
4. His height is ____ inches.
|
3) Mrs. Pack notices that in her stamp drawer she still has unfinished rolls of old 8 cent stamps and 15 cent
stamps. She needs to mail a package for which the postage is $0.78. What's the fewest number of
8 cent stamps and 15 cent stamps she can use to get the exact postage amount? |
1. Divide 78 cents by 15 to get the number of 15 cent stamps = ____
2. Compute the remainder by subtracting the value of this many 15 cent stamps from 78 cents = ___.
3. If this remainder is not a multiple of 8, reduce the number of 15 stamps by 1 and repeat until you get a remainder that is divisible by 8
4. Mrs. Pack needs ___ 8 cent stamps and ___ 15 cent stamps.
|