PSLE For a recycling project, Fred collected 16 metal cans, Michael collected 2
h metal cans and Zane collected 3 +
h metal cans.
- How many more metal cans did Michael collect than Zane?
- How many metal cans did the 3 boys collect altogether?
(a)
Number of metal cans that Michael collected more than Zane
= 2
h - (3 +
h)
= 2
h -
h - 3
=
h - 3
(b)
Total number of metal cans that the 3 boys collected
= 16 + 2
h + 3 +
h = 16 + 3 + 2
h +
h = 19 + 3
h Answer(s): (a)
h - 3; (b) 19 + 3
h