Question 31

In questions 24 to 59, fill in the blanks to make the statements true.
15 kg is ___ % of 50 kg.

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Solution

Let x % of 50 kg be 15 kg.
Then, $\frac{x}{100} \times 50 = 15 \Rightarrow \frac{x}{2} = 15 \Rightarrow x = 15 \times 2 ∴ x = 30 %$
Hence, 15 kg is 30 % of 50 kg.

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Question 31 In questions 24 to 59, fill in the blanks to make the statements true. 15 kg is ___ % of 50 kg.

Let x % of 50 kg be 15 kg. Then, x100×50=15⇒x2=15⇒x=15×2∴x=30% Hence, 15 kg is 30 % of 50 kg.

Question 31

In questions 24 to 59, fill in the blanks to make the statements true.
15 kg is ___ % of 50 kg.

Let x % of 50 kg be 15 kg.
Then, $\frac{x}{100} \times 50 = 15 \Rightarrow \frac{x}{2} = 15 \Rightarrow x = 15 \times 2 ∴ x = 30 %$
Hence, 15 kg is 30 % of 50 kg.