Fill in the blanks.
There are some blue stickers, green stickers and red stickers.
The number of blue stickers is 50% as many as the green stickers.
The number or green stickers is 30% 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 3 |
2 x 3 |
|
|
3 x 2 |
10 x 2 |
3 u |
6 u |
20 u |
50% =
50100 =
12 30% =
30100 =
310 The number of blue stickers is the repeated identity.
Make the number of blue stickers the same using the LCM of 2 and 3.
LCM of 2 and 3 = 6
(a) Number of green stickers = 6 u
(b) Number of red stickers = 20 u
(c) Total number of stickers = 3 u + 6 u + 20 u = 29 u
(d) Number of more red stickers than green stickers = 20 u - 6 u = 14 u
Answer(s): (a) 6; (b) 20; (c) 29; (d) 14