Question

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Answer 1

Answer

15% of 30

$30 \times 15\% \\ 30 \times \frac{15}{100} \\ = 4.5$

30% of 45

$45 \times 30\% \\ 45 \times \frac{30}{100} \\ = 13.5$

60% of 7

$7 \times 60\% \\ 7 \times \frac{60}{100} \\ = 4.2$

23% of 20

$20 \times 23\% \\ 20 \times \frac{23}{100} \\ = 4.6$

Hope this helps you:-)