Grade 5 Academic Math U2L5HW1

1. George bought 2 identical couches and 3 identical chairs. A couch cost twice as much as a chair. He spent $270 more on the couches than on the chairs. How much did he spend altogether?

2. The total weight of 3 suitcases is 75 lb. Suitcase B weighs 15 lb more than Suitcase A. Suitcase C weighs 6 lb less than Suitcase A. How much does Suitcase C weigh?

Hints:
I used Suitcase A as the unit.
3 units ~ 75 – 15 + 6 = ?
1 unit~ .. .
Suitcase C: .. .
Hints 2:
I used Suitcase C as the unit,
since that is what we need to find.
3 units ~ 75 – 15 – (2 x 6) = ?
1 unit~ …

3. A library spent 6,000 dollars on a printer and 5 laptops. Each laptop cost 420 dollars more than the printer. How much does the printer cost?

4. The museum sells picture books about Mars for $18 each. They have 5 boxes with 4 books in each box. How much money will they receive if they sell all of the books?

5. A 1 ,500 cm long rope was cut into 3 smaller ropes, A, B, and C. Rope B is 300 cm longer than Rope A. Rope C is 300 cm longer than Rope B. How long is Rope C?