Natalie had 160 erasers. Ian had 35 of what Natalie had. After Natalie used some of his erasers and Ian used 13 of his erasers, Natalie had 14 as many erasers left as Ian.
- How many erasers did Ian have at first?
- How many erasers did Natalie use?
|
Natalie |
Ian |
Before |
160 |
96 |
Change |
- ? |
- 32 |
After |
16 |
64 |
(a)
Number of erasers that Ian had at first
=
35 x 160
= 96
(b)
Number of erasers that Ian used
=
13 x 96
= 32
Number of erasers that Ian had left
= 96 - 32
= 64
Number of erasers that Natalie had left
=
14 x 64
= 16
Number of erasers that Natalie used
= 160 - 16
= 144
Answer(s): (a) 96; (b) 144