Adam has some blue stickers and red stickers.
The number of blue stickers is decreased by 35% to 52.
The number of red stickers is decreased by 50% to 97.
- How many stickers are there at first?
- How many stickers are there in the end?
|
Blue |
Red |
Before |
100% |
100% |
Change |
- 35% |
- 50% |
After |
65% = 52 |
50% = 97 |
(a)
100% - 35% = 65%
65% of blue stickers = 52
100% of blue stickers =
5265 x 100 = 80
100% - 50% = 50%
50% of red stickers = 97
100% of red stickers =
9750 x 100 = 194
Number of stickers at first
= 100% of blue stickers + 100% of red stickers
= 80 + 194
= 274
(b)
Number of stickers in the end
= 52 + 97
= 149
Answer(s): (a) 274; (b) 149