Question

find the value of 4 1) 75% of 24 2) 45% of 80m 3) 72% of 150 4) 7.5% of 50kg​

Answer 1

1) 75% of 24

$\frac{75}{x} = \frac{100}{24} \\ 75 \times 24 = x \times 100 \: \: \\ x = \frac{75 \times 24}{100} \\ x = \frac{1800}{100} \\ x = 18$

The 75% of 24 is 18

2) 45% of 80

$\frac{45}{x} = \frac{100}{80} \\ 45 \times 80 = x \times 100 \\ x = \frac{45 \times 80}{100} \\ x = \frac{3600}{100} \\ x = 36$

The 45% if 80 is 36

3) 72% of 150

$\frac{72}{x} = \frac{100}{150} \\ 72 \times 150 = x \times 100 \\ x = \frac{72 \times 150}{100} \\ x = \frac{10800}{100} \\ x = 108$

The 72% of 150 is 108

4) 7.5% of 50kg

$\frac{7.5}{x} = \frac{100}{50} \\ 7.5 \times 50 = x \times 100 \\ x = \frac{7.5 \times 50}{100} \\ x = \frac{375}{100} \\ x = 3.75kg$

7.5% of 50 kg is 3.75 kg.