PSLE For a recycling project, Fred collected 23 glass bottles, Caden collected 6
y glass bottles and Liam collected 9 +
y glass bottles.
- How many more glass bottles did Caden collect than Liam?
- How many glass bottles did the 3 boys collect altogether?
(a)
Number of glass bottles that Caden collected more than Liam
= 6
y - (9 +
y)
= 6
y -
y - 9
= 5
y - 9
(b)
Total number of glass bottles that the 3 boys collected
= 23 + 6
y + 9 +
y = 23 + 9 + 6
y +
y = 32 + 7
y Answer(s): (a) 5
y - 9; (b) 32 + 7
y