Fill in the blanks.
There are some red stickers, blue stickers and green stickers.
The number of red stickers is 10% as many as the blue stickers.
The number of red stickers is 40% as many as the green stickers.
- Number of blue stickers = _____ u
- Number of green stickers = _____ u
- Total number of stickers = _____ u
- Number of more blue stickers than green stickers = _____ u
Blue |
Red |
Green |
10 x 2 |
1 x 2 |
|
|
2 x 1 |
5 x 1 |
20 u |
2 u |
5 u |
10% =
10100 =
110 40% =
40100 =
25 The number of red stickers is the repeated identity.
Make the number of red stickers the same using the LCM of 1 and 2.
LCM of 1 and 2 = 2
(a) Number of blue stickers = 20 u
(b) Number of green stickers = 5 u
(c) Total number of stickers = 20 u + 2 u + 5 u = 27 u
(d) Number of more blue stickers than green stickers = 20 u - 5 u = 15 u
Answer(s): (a) 20; (b) 5; (c) 27; (d) 15