Monday, July 25, 2011

Your Questions About How Many Correct Answer

Mandy asks…John's dad pays 80 cents for each correct answer . . . How many problems did John answer correctly?John's dad pays 80 cents for each correct answer of the math homework and fine him 20 cents for each incorrect answer. Today, John received $15 after doing 50 problems. How many problems did John answer correctly?admin answers:25 correct
25 incorrect.

(25 X.8) - (25 X.2) = y
20 - 5 = 15.00Sandy asks…How many correct answers did Baby get?In a 20-item test,

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