Fill in the blanks.
There are some blue stickers, green stickers and red stickers.
The number of blue stickers is 20% as many as the green stickers.
The number or green stickers is 25% as many as the red stickers.
- Number of green stickers = _____ u
- Number of red stickers = _____ u
- Total number of stickers = _____ u
- Number of more red stickers than green stickers = _____ u
Blue |
Green |
Red |
1 x 1 |
5 x 1 |
|
|
1 x 5 |
4 x 5 |
1 u |
5 u |
20 u |
20% =
20100 =
15 25% =
25100 =
14 The number of blue stickers is the repeated identity.
Make the number of blue stickers the same using the LCM of 5 and 1.
LCM of 5 and 1 = 5
(a) Number of green stickers = 5 u
(b) Number of red stickers = 20 u
(c) Total number of stickers = 1 u + 5 u + 20 u = 26 u
(d) Number of more red stickers than green stickers = 20 u - 5 u = 15 u
Answer(s): (a) 5; (b) 20; (c) 26; (d) 15