In an activity, Elyse collected 258 erasers. She collected 3 times as many erasers as Risa.
- How many erasers did Risa collect?
- How many more erasers did Elyse collect than Risa?
(a)
Number of erasers that Risa collected = 1 u
Number of erasers that Elyse collected = 3 u = 258
3 u = 258
1 u = 258 ÷ 3 = 86
Number of erasers that Risa collected
= 1 u
= 86
(b)
Number of erasers that Elyse collected more than Risa
= 258 - 86
= 172
Answer(s): (a) 86; (b) 172