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24. Madison spent
$1,192 on 11 textbooks
Without dividing, decide what the average cost
of Madison's textbook would be?

Sagot :

Answer:

$109

Step-by-step explanation:

With mental math, we can find that 1100/11 is 100 this gives us the first half of the answer. The second part we can conclude is 9 because we know that 99/11 is 9. Because we are not dividing to get an exact answer, we must round up our divisor by 7 so can get to the next whole number. Hope this helps!

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