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 red.
There are 23
less green stickers than red stickers.
The remaining stickers are blue.
- Number of red stickers = _____
- Number of green stickers = _____
- Number of green stickers and red stickers = _____
- Number of blue stickers = _____
(a)
Change percentage into units.
35% =
35100 =
720Number of red stickers = 7 u
(b)
There are 23 less green stickers than red stickers.
Number of green stickers = 7 u - 23
(c)
Number of green stickers and red stickers
= 7 u + 7 u - 23
= 14 u - 23
(d)
Number of blue stickers
= 20 u - (14 u - 23)
= 20 u - 14 u + 23
= 6 u + 23
Answer(s): (a) 7 u; (b) 7 u - 23; (c) 14 u - 23; (d) 6 u + 23