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Brandon has finished 28 problems for a science assignment. He has completed 80% of the assignment. how many more problems does Brandon need to finish? (Multiple choice)

•63
•35
•22
•7

Respuesta :

Answer:

7 problems.

Step-by-step explanation:

80% is equivalent to 28 problems

So 1% ............................28/80 ....

20 % ...............................(28/80) * 20  = 28/4

=7.

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