Answer :

first you take $50 and divide it by 5 then you get $10. You take the $10 and multiply it by 4 because she uses 4/5 of 50
answer-$40
Your answer is $40. To find this, you can cross multiply by making 50 into a fraction. (50/1)(4/5) You multiply 50 by 4 and then divide by 5, which gives you the answer.

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