SOLUTION: We have a poster board that we must fit squares of size 1 in x 1 in. The poster is 25 in x 18 in. How many squares do you use? This is a 5th grade project. I am 11 years. Thank

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Question 1081116: We have a poster board that we must fit squares of size 1 in x 1 in. The poster is 25 in x 18 in. How many squares do you use? This is a 5th grade project. I am 11 years. Thank you!!
Found 2 solutions by CubeyThePenguin, ikleyn:
Answer by CubeyThePenguin(3113)   (Show Source): You can put this solution on YOUR website!
perimeter = 2(25) + 2(18) = 86 inches

On the other hand, number of squares along border: 2(25 - 2) + 2(18 - 2) + 4 = 82 squares.
Answer by ikleyn(52925)   (Show Source): You can put this solution on YOUR website!
.

To get the answer, simply multiply the given dimensions


    25 * 18 = 450 square inches


and 450 squares of 1 by 1 inch each.

Solved.



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