Prisijunkite
Mathematics for IGCSE & O level - Ratio And Proportion (Section 6 - No. 32)
If x:y = 2:5, and y = 20, what is the value of x?
4
8
10
50
Paaiškinimas
Since y is 4 times the original value, so must x, so 2 * 4 = 8
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