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Which of the following multipliers will cause a number to increase by 29.7%?

Solution

✅ Correct Option: 4

Increasing a number by 29.7%29.7\% means the new value is

100%+29.7%=129.7%100\%+29.7\%=129.7\% of the old value.

As a multiplier that is

129.7100=1.297\dfrac{129.7}{100}=1.297

Quick check: 100×1.297=129.7100\times1.297=129.7, which is exactly 29.729.7 more than 100.

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