Change percentage into units.
Fill in the blanks.

Charlie has 40% less stickers than Bryan and
Adam has 50% less stickers than Charlie.

1. Who is the repeated identity? Give the answer in number.  (Eg Adam = 1; Bryan = 2; Charlie = 3)
2. Number of stickers that Bryan has = _____ u
3. Total number of stickers = _____ u
4. Difference in the number of stickers between Charlie and Adam = _____ u

(a)
Charlie has 40% less stickers than Bryan.

100% - 40% = 60%
60% = ⁶⁰₁₀₀ = ³₅
Charlie has ³₅ as many as stickers as Bryan.

Adam has 50% less stickers than Charlie.

100% - 50% = 50%
50% = ⁵⁰₁₀₀ = ¹₂

Adam has ¹₂ as many as stickers as Charlie.

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

(3) Charlie is the repeated identity.

Charlie	Bryan	Adam
3x2	5x2
2x3		1x3
6 u	10 u	3 u

(b)
LCM of 3 and 2 = 6

Number of stickers that Bryan has = 10 u

(c)
Total number of stickers that the children have
= 6 u + 10 u + 3 u
= 19 u

(d)
Difference in the number of stickers between Charlie and Adam
= 6 u - 3 u
= 3 u

Answer(s): (a) 1; (b) 10; (c) 19; (d) 3