Question

A man pays 20 percent of his total income in tax. His weekly tax is $100. What is his total weekly income?

Answer 1

Hey there,
100% = $100
1% = 100 / 100
      = $1
20 % = 20 x $1
         = $20
Weekly Income = $100 - $20
                          = $80

Hope this helps :))

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Answer 2

Answer:

$500

Step-by-step explanation:

A man pays 20% of his total income in tax.

His weekly tax = $100

Let his total weekly income = x

He pays income tax =  20% of x = 100

                                 = 0.20x = 100

                              x = 100 ÷ 0.20

                                 = 500

His total weekly income is $500.