Question

Only 9 members of the math club showed up for yesterday's meeting. This is only 20% of the total amount of members. How many total number of members are in the math club?

Answer 1

The answer is 45

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If you worked it out it would've been simple.

20x5=100.

9x5=45.

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If you turn 20% into a decimal the it will become 20 itself then you can do 20x5 to get 100, then you can use the 9 and the 5 and multiply it together then your answer is 45.