2 years ago

On a math test, Sally got 30 out of 35 problems correct. What percent of the problems were incorrect?

1 answer:

5 0

Answer:

5 incorrect

If she got 30 right, she got 5 wrong on her math test

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eduard

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11111nata11111 [884]

Answer:

Step-by-step explanation:

So there is this property,

Sum of two angle of triangle = exterior angle

So based on this we can form an algebraic equation (NOTE: this is an equilateral triangle so all the sides are 60°)

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