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Aisha just took a math test consisting of 20 total questions (all worth the same
amount). She got 11 out of the 20 questions correct. Aisha is allowed to redo the
questions she missed for full credit. How many more questions should she get correct
to bring her new test score up to 70%?
Please explain how!!and those are the options below.

Aisha Just Took A Math Test Consisting Of 20 Total Questions All Worth The Same Amount She Got 11 Out Of The 20 Questions Correct Aisha Is Allowed To Redo The Q class=

Answer :

Answer:  3

Explanation:

She wants to get 70%, so we need to solve

x/20 = 70/100

Doing so gets us

100x = 20*70

100x = 1400

x = 1400/100

x = 14

She needs to have 14 questions correct, out of 20, to get a score of 70%

14/20 = 0.70 = 70%

She needs to get 14-11 = 3 more correct questions.

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