Question

Mick paid $2.94 in sales tax on an item that costs $42.00 before tax. At that rate, how much would he pay in sales tax for an item that costs $58.00 before tax?

Answer 1

294/4200=n/5800
4200n=1705200
n=$4.06 sales tax
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Answer 2

For the item that costs %58, he should pay $4.06 as sales tax.

Explanation:

Let x% be the sales tax.

So, x% of 42 = 2.94.

`(x)/(100)` × 42 = 2.94

x = 2.94 ×
`(100)/(42)`

= 7

So, 7% is the sales tax.

Now, 7% of 58 =
`(7)/(100)` × 58

= 4.06