PSLE For a recycling project, Dylan collected 12 metal cans, Michael collected 7
j metal cans and Liam collected 8 + 4
j metal cans.
- How many more metal cans did Michael collect than Liam?
- How many metal cans did the 3 boys collect altogether?
(a)
Number of metal cans that Michael collected more than Liam
= 7
j - (8 + 4
j)
= 7
j - 4
j - 8
= 3
j - 8
(b)
Total number of metal cans that the 3 boys collected
= 12 + 7
j + 8 + 4
j = 12 + 8 + 7
j + 4
j = 20 + 11
j Answer(s): (a) 3
j - 8; (b) 20 + 11
j