Fill in the blanks.
There are some green stickers, blue stickers and red stickers.
The number of green stickers is 20% as many as the blue stickers.
The number of green stickers is 40% as many as the red stickers.
- Number of blue stickers = _____ u
- Number of red stickers = _____ u
- Total number of stickers = _____ u
- Number of more blue stickers than red stickers = _____ u
Blue |
Green |
Red |
5 x 2 |
1 x 2 |
|
|
2 x 1 |
5 x 1 |
10 u |
2 u |
5 u |
20% =
20100 =
15 40% =
40100 =
25 The number of green stickers is the repeated identity.
Make the number of green stickers the same using the LCM of 1 and 2.
LCM of 1 and 2 = 2
(a) Number of blue stickers = 10 u
(b) Number of red stickers = 5 u
(c) Total number of stickers = 10 u + 2 u + 5 u = 17 u
(d) Number of more blue stickers than red stickers = 10 u - 5 u = 5 u
Answer(s): (a) 10; (b) 5; (c) 17; (d) 5