PSLE For a recycling project, Wesley collected 16 cardboard boxes, Lee collected 8
x cardboard boxes and Jeremy collected 10 + 3
x cardboard boxes.
- How many more cardboard boxes did Lee collect than Jeremy?
- How many cardboard boxes did the 3 boys collect altogether?
(a)
Number of cardboard boxes that Lee collected more than Jeremy
= 8
x - (10 + 3
x)
= 8
x - 3
x - 10
= 5
x - 10
(b)
Total number of cardboard boxes that the 3 boys collected
= 16 + 8
x + 10 + 3
x = 16 + 10 + 8
x + 3
x = 26 + 11
x Answer(s): (a) 5
x - 10; (b) 26 + 11
x