PSLE For a recycling project, Cole collected 27 plastic bottles, Jeremy collected 9
s plastic bottles and Cody collected 10 + 7
s plastic bottles.
- How many more plastic bottles did Jeremy collect than Cody?
- How many plastic bottles did the 3 boys collect altogether?
(a)
Number of plastic bottles that Jeremy collected more than Cody
= 9
s - (10 + 7
s)
= 9
s - 7
s - 10
= 2
s - 10
(b)
Total number of plastic bottles that the 3 boys collected
= 27 + 9
s + 10 + 7
s = 27 + 10 + 9
s + 7
s = 37 + 16
s Answer(s): (a) 2
s - 10; (b) 37 + 16
s