Valen, Albert and Clifford collected beads in the ratio of 10 : 4 : 7. After Clifford gave ⁷₁₀ to Valen and Albert, Clifford had 120 less beads than Valen. The number of beads that Albert had increased by 20%. How many beads did Valen and Clifford have in the end?

	Valen	Albert	Clifford
Before	10 u	4 u	7 u
Change	+ 4.1 u	+ 0.8 u	- 4.9 u
After	14.1 u	4.8 u	2.1 u

Number of beads that Clifford gave to Valen and Albert
= ⁷₁₀ x 7 u
= 4.9 u

Number of beads that Albert received from Clifford
= ²⁰₁₀₀ x 4 u
= 0.8 u

Number of beads that Valen received from Clifford
= 4.9 u - 0.8 u
= 4.1 u

Number of less beads that Clifford had less than Valen
= 14.1 u - 2.1 u 
= 12 u

12 u = 120

1 u = 120 ÷ 12 = 10

Number of beads that Valen and Clifford had
= 14.1 u + 2.1 u
= 16.2 u
= 16.2 x 10
= 162

Answer(s): 162