Answer:
24
Step-by-step explanation:
Divide probs and mins by 2 and you get --> 8, 10, 5 respectively
now 30 probs and 5 mins so multiply probs and mathletes each by three getting --> 24, 30, and 5
thus, you have your answer of 24
The mathletes are needed in order to solve 30 problems in 5 minutes is 24.
The ratio is the division of the two numbers.
For example, a/b where a will be the numerator and b will be the denominator.
Proportion is the relation of a variable with another. It could be direct or inverse.
Given 8 mathletes ⇔ 20 problems ⇔ 10 minutes
Divide the problem and minutes by 2
8 mathletes ⇔ 10 problems ⇔ 5 minutes
Multiply mathletes and problems by 3
24 mathletes ⇔ 30 problems ⇔ 5 minutes
Hence to solve 30 problems 24 mathletes are needed.
For more information about ratio and proportion
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