PSLE For a recycling project, Seth collected 16 metal cans, Ken collected 8
p metal cans and Luis collected 6 +
p metal cans.
- How many more metal cans did Ken collect than Luis?
- How many metal cans did the 3 boys collect altogether?
(a)
Number of metal cans that Ken collected more than Luis
= 8
p - (6 +
p)
= 8
p -
p - 6
= 7
p - 6
(b)
Total number of metal cans that the 3 boys collected
= 16 + 8
p + 6 +
p = 16 + 6 + 8
p +
p = 22 + 9
p Answer(s): (a) 7
p - 6; (b) 22 + 9
p