Two numbers are respectively 20% and 50% more than the 3rd number. What percent is the first of the second?

Let’s call the third number “x”.

The first number is 20% more than the third number, which means it can be written as:


Similarly, the second number is 50% more than the third number, which can be written as:


To find what percent the first number is of the second number, we need to divide the first number by the second number and express the result as a percentage:

(1.2x ÷ 1.5x) × 100%

Simplifying the expression by cancelling out the “x” terms, we get:

(1.2 ÷ 1.5) × 100%

0.8 × 100% = 80%

Therefore, the first number is 80% of the second number.

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