In an activity, Yoko collected 207 coins. She collected 9 times as many coins as Erika.
- How many coins did Erika collect?
- How many more coins did Yoko collect than Erika?
(a)
Number of coins that Erika collected = 1 u
Number of coins that Yoko collected = 9 u = 207
9 u = 207
1 u = 207 ÷ 9 = 23
Number of coins that Erika collected
= 1 u
= 23
(b)
Number of coins that Yoko collected more than Erika
= 207 - 23
= 184
Answer(s): (a) 23; (b) 184