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Pencils are packed 10 to a box.  A classroom carton has 10 boxes.  Lee needs to buy 370 pencils.

A.  How many boxes does lee need to purchase? Use place value to justify your response.

B.  Lee finds out that it is cheaper to buy pencils in cartons.  How many cartons should he purchase?  Use place value to justify your response.

Sagot :

KMK32idn
Hi- I'm not sure what they mean by place value. But hopefully this helps.

A: Lee needs 370 pencils and wants to buy them by the box. There are 10 in a box so we need to divide 370 by 10.
370/10= 37

So he would need to buy 37 boxes

B: A carton has 10 boxes and each box has 10 pencils so first we need to find out how many pencils are in a carton:

10*10=100

To get 370 pencils, Lee would have to buy 4 cartons totaling 400 pencils

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