Yen had 270 buttons. Liam had 15 of what Yen had. After Yen used some of his buttons and Liam used 19 of his buttons, Yen had 34 as many buttons left as Liam.
- How many buttons did Liam have at first?
- How many buttons did Yen use?
|
Yen |
Liam |
Before |
270 |
54 |
Change |
- ? |
- 6 |
After |
36 |
48 |
(a)
Number of buttons that Liam had at first
=
15 x 270
= 54
(b)
Number of buttons that Liam used
=
19 x 54
= 6
Number of buttons that Liam had left
= 54 - 6
= 48
Number of buttons that Yen had left
=
34 x 48
= 36
Number of buttons that Yen used
= 270 - 36
= 234
Answer(s): (a) 54; (b) 234