Question

if x percent of 90 equal to 15 find the value of x​

Answer 1

Answer:

$90 \times x\% = 15 \\ \\ 90 \times \frac{x}{100} = 15 \\ \\ x = \frac{15 \times 100}{90} \\ \\ x = \frac{50}{9} \\ \\ x = 16 \frac{2}{3}$

%

hope it helps ....

Answer 2

To find percentage formula ,

For example,

Required part/ total parts × 100% = required %

Similarly here we don't know the percentage.So,

x/90 × 100% = 15

x/90 = 15/100

x = 3 × 90 /20

x = 3 × 4.5

x = 13.5

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