Fill in the blanks in units or unit equations. (Eg 3 u OR 1 u + 2)
A box contains some stickers in three colors.
20% of the stickers are blue.
There are 32 more green stickers than blue stickers.
The remaining stickers are red.
- Number of blue stickers = _____
- Number of green stickers = _____
- Number of green stickers and blue stickers = _____
- Number of red stickers = _____
(a)
Change percentage into units.
20% =
20100 =
15 Number of blue stickers = 1 u
(b)
There are 32 more green stickers than blue stickers.
Number of green stickers = 1 u + 32
(c)
Number of green stickers and blue stickers
= 1 u + 1 u + 32
= 2 u + 32
(d)
Number of red stickers
= 5 u - (2 u + 32)
= 5 u - 2 u - 32
= 3 u - 32
Answer(s): (a) 1 u; (b) 1 u + 32; (c) 2 u + 32; (d) 3 u - 32