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Fred completed 10 math problems this is 40% of the number of math problems he hast to do how many math problems does he have to do

Respuesta :

johnnysuavee1234

Answer:

10 of the math problems is 40%

Step-by-step explanation:

Answer:

25 questions

Step-by-step explanation:

10 =40%

5=20%

20x5=100% 5x5=25

Also 20=80% and 5=20%

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