Prisijunkite
Mathematics for IGCSE & O level - Ratio And Proportion (Section 3 - No. 34)
The ratio of two numbers is 2:7. The difference between the numbers is 30. What is the larger number?
10
12
42
49
Paaiškinimas
7-2=5, 30/5=6, then 7*6 = 42
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