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 of blue 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 green stickers than red stickers = _____ u
Green |
Blue |
Red |
5 x 3 |
1 x 3 |
|
|
3 x 1 |
10 x 1 |
15 u |
3 u |
10 u |
20% =
20100 =
15 30% =
30100 =
310 The number of blue stickers is the repeated identity.
Make the number of blue stickers the same using the LCM of 1 and 3.
LCM of 1 and 3 = 3
(a) Number of green stickers = 15 u
(b) Number of red stickers = 10 u
(c) Total number of stickers = 15 u + 3 u + 10 u = 28 u
(d) Number of more green stickers than red stickers = 15 u - 10 u = 5 u
Answer(s): (a) 15; (b) 10; (c) 28; (d) 5