Verified Answer :

rfornash

You would have to take 42 and multiply it by .20 and get tht number and add it back to 42

silirobert15

The original price of a pair of shoes is $42 and the sale price is 20% off the original price ( that mean we have to pay 100% - 20% = 80% )

⇒ We have to pay: $42 ÷ 100% × 80% = $33.6

⇒ We don't have to pay: $42 - $33.6 = $8.4

Ok done. Thank to me :>

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