Fill in the blanks.
There are some green stickers, blue stickers and red stickers.
The number of green stickers is 50% as many as the blue stickers.
The number or blue stickers is 20% as many as the red stickers.
- Number of blue stickers = _____ u
- Number of red stickers = _____ u
- Total number of stickers = _____ u
- Number of more red stickers than blue stickers = _____ u
Green |
Blue |
Red |
1 x 1 |
2 x 1 |
|
|
1 x 2 |
5 x 2 |
1 u |
2 u |
10 u |
50% =
50100 =
12 20% =
20100 =
15 The number of green stickers is the repeated identity.
Make the number of green stickers the same using the LCM of 2 and 1.
LCM of 2 and 1 = 2
(a) Number of blue stickers = 2 u
(b) Number of red stickers = 10 u
(c) Total number of stickers = 1 u + 2 u + 10 u = 13 u
(d) Number of more red stickers than blue stickers = 10 u - 2 u = 8 u
Answer(s): (a) 2; (b) 10; (c) 13; (d) 8