Fill in the blanks.
There are some green stickers, blue stickers and red stickers.
The number of green stickers is 30% 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 |
10 x 2 |
3 x 2 |
|
|
2 x 3 |
5 x 3 |
20 u |
6 u |
15 u |
30% =
30100 =
310 40% =
40100 =
25 The number of green stickers is the repeated identity.
Make the number of green stickers the same using the LCM of 3 and 2.
LCM of 3 and 2 = 6
(a) Number of blue stickers = 20 u
(b) Number of red stickers = 15 u
(c) Total number of stickers = 20 u + 6 u + 15 u = 41 u
(d) Number of more blue stickers than red stickers = 20 u - 15 u = 5 u
Answer(s): (a) 20; (b) 15; (c) 41; (d) 5