Fill in the blanks.
The number of Charlie's stickers is ⁹₂₀ as many as Adam's.
The number of Adam's stickers is 0.4 as many as Bryan's.

1. Number of stickers that Charlie has = _____ u
2. Number of stickers that Adam has = _____ u
3. Difference in the number of stickers between Bryan and Charlie = _____ u
4. Total number of stickers = _____ u

Adam	Charlie	Bryan
20 x 1	9 x 1
2 x 10		5 x 10
20 u	9 u	50 u

(a)
Change fraction and decimal into units.

0.4 = ²₅
The number of Adam's stickers is ²₅ as many as Bryan's.

The number of Adam's stickers is compared to the number of Charlie's stickers.
The number of Adam's stickers is compared to the number of Bryan's stickers.

The number of Adam's stickers is the repeated identity.

LCM of 20 and 2 is 20.

Number of stickers that Charlie has = 9 u

(b)
Number of stickers that Adam has = 20 u

(c)
Difference in the number of stickers between Bryan and Charlie
= 50 u - 9 u
= 41 u

(d)
Total number of stickers
= 20 u + 9 u + 50 u
= 79 u

Answer(s): (a) 9; (b) 20; (c) 41; (d) 79