Question

find the value of
a) x% of 125 is 8
b)x% of 1kg is 50g
c) x% of 15200 is 1824​

Answer 1

Step-by-step explanation:

a) x/100 × 125 = 8

x= 8×100/125

x= 6.4

b) x/100 × 1000g = 50g

x = 50×100/1000

x=5

c) x/100 × 15200 = 1824

x = 1824×100/15200

x = 12

Answer 2

Answer:

a) x% of 125 is 8

$x\% \: of \: 125 \: is \: 8 \\ \\ \frac{x}{100} \times 25 = 8 \\ \frac{x}{4} = 8 \\ x = 8 \times 4 = 32$

b) x%of 1kg =50g

1kg=1000g

$x\% \:of \: 1000g = 50g \\ \frac{x}{100} \times 1000 = 50 \\ 10x = 50 \\ x = 5$

c) x% of 15200 is 1824

$\frac{x}{100} \times 15200 = 1824 \\ 152x = 1824 \\ x = \frac{1824}{152} \\ x = 12$