Fill in the blanks.
There are some blue stickers, red stickers and green stickers.
The number of blue stickers is 10% as many as the red stickers.
The number of blue stickers is 30% as many as the green stickers.
- Number of red stickers = _____ u
- Number of green stickers = _____ u
- Total number of stickers = _____ u
- Number of more red stickers than green stickers = _____ u
Red |
Blue |
Green |
10 x 3 |
1 x 3 |
|
|
3 x 1 |
10 x 1 |
30 u |
3 u |
10 u |
10% =
10100 =
110 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 red stickers = 30 u
(b) Number of green stickers = 10 u
(c) Total number of stickers = 30 u + 3 u + 10 u = 43 u
(d) Number of more red stickers than green stickers = 30 u - 10 u = 20 u
Answer(s): (a) 30; (b) 10; (c) 43; (d) 20