Adam has some green stickers and blue stickers.
The number of green stickers is increased by 35% to 54.
The number of blue stickers is increased by 50% to 99.
- How many stickers are there at first?
- How many stickers are there in the end?
|
Green |
Blue |
Before |
100% |
100% |
Change |
+ 35% |
+ 50% |
After |
135% = 54 |
150% = 99 |
(a)
100% + 35% = 135%
135% of green stickers = 54
100% of green stickers =
54135 x 100 = 40
100% + 50% = 150%
150% of blue stickers = 99
100% of blue stickers =
99150 x 100 = 66
Number of stickers at first
= 100% of green stickers + 100% of blue stickers
= 40 + 66
= 106
(b)
Number of stickers in the end
= 54 + 99
= 153
Answer(s): (a) 106; (b) 153