In an activity, Rachel collected 279 erasers. She collected 9 times as many erasers as Gem.
- How many erasers did Gem collect?
- How many more erasers did Rachel collect than Gem?
(a)
Number of erasers that Gem collected = 1 u
Number of erasers that Rachel collected = 9 u = 279
9 u = 279
1 u = 279 ÷ 9 = 31
Number of erasers that Gem collected
= 1 u
= 31
(b)
Number of erasers that Rachel collected more than Gem
= 279 - 31
= 248
Answer(s): (a) 31; (b) 248