Answer :

jveneklasen
Hello!
If the markup is 20% you would multiply $450 by .20 to get $90. Then you add $90 to $450

Here's a simpler version...
$450x.20=$90
$450+$90=$540

The answer would equal $540.

Hope this helped!
veaahhhh
The answer is 540 multiply 20 by 450 then divide by 100 and add 90

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