Brandon and Billy had 100 sweets each. Brandon gave 30% of his sweets to Billy. After receiving the sweets from Brandon, Billy gave 50% of his total sweets to Kylie. How many sweets had Billy left?
| |
Brandon |
Billy |
Kylie |
| Before |
100% |
100% |
|
| Change 1 |
- 30% |
+ 30% |
|
| After 1 |
70% |
130% |
|
| Change 2 |
|
- 65% |
+ 65% |
| After 2 |
|
65% |
|
Percentage of sweets after Billy received from Brandon
= 100% + 30%
= 130%
Percentage of Billy's sweets that Kylie had after receiving from Billy
= 50% x 130%
=
50100 x 130%
= 65%
Percentage of sweets that Billy had left after giving to Kylie
= 130% - 65%
= 65%
100% = 100
Number of sweets that Billy had left
= 65% x 100
=
65100 x 100
= 65
Answer(s): 65
