Fill in the blanks in units or unit equations. (Eg 3 u OR 1 u + 2)
A box contains some stickers in three colors.
35% of the stickers are blue.
There are 28
less red stickers than blue stickers.
The remaining stickers are green.
- Number of blue stickers = _____
- Number of red stickers = _____
- Number of red stickers and blue stickers = _____
- Number of green stickers = _____
(a)
Change percentage into units.
35% =
35100 =
720Number of blue stickers = 7 u
(b)
There are 28 less red stickers than blue stickers.
Number of red stickers = 7 u - 28
(c)
Number of red stickers and blue stickers
= 7 u + 7 u - 28
= 14 u - 28
(d)
Number of green stickers
= 20 u - (14 u - 28)
= 20 u - 14 u + 28
= 6 u + 28
Answer(s): (a) 7 u; (b) 7 u - 28; (c) 14 u - 28; (d) 6 u + 28