PSLE At first, Shannon had 95 buttons and some pens. After she gave away 46 buttons and 40% of the pens, she had a total of 79 buttons and pens. How many pens did Shannon have at first?
|
Buttons |
Pens |
Total |
Before |
95 |
5 u |
|
Change |
- 46 |
- 2 u |
|
After |
49 |
3 u |
79 |
40% =
40100 =
25 Number of buttons that Shannon left
= 95 - 46
= 49
Number of pens that Shannon left
= 79 - 49
= 30
3 u = 30
1 u = 30 ÷ 3 = 10
Number of pens that Shannon had at first
= 5 u
= 5 x 10
= 50
Answer(s): 50