Question

What percentage is

£7 of £20?

28kg of 40kg?

plz answer both questions ​

Answer 1

1)

`£7 \: of \: £20 \\ \\ \fbox{considering as x} \\ \\ x\%of \: 20 = 7 \\ \\ x\% = (7)/(20) * 100 \\ \\ x\% = \frac{7}{ \cancel{20}} * \cancel{ 100} \\ \\ x\% = 7 * 5 \\ \\ x\% = 35\%`

2)

`28 \: kg \: of \: 40 \: kg \\ \\ \fbox{considering as x} \\ \\ x\% 40 = 28 \\ \\ x\% = (28)/(40) * 100 \\ \\ x\% = \cancel (28)/(4 \cancel0) * 10 \cancel0 \\ \\ x\% = 7 * 10 \\ \\ x\% = 70\%`

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