raveneason38 raveneason38

22-02-2018
Mathematics

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How many 10-inch stones will Wesley need for one row?

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sayona2001 sayona2001

22-02-2018

x = # 5 inch stones, y = # 10 inch stones
5x + 10y = 145y = x + 1
5x + 10(x + 1) = 1455x + 10x + 10 = 14515x = 135x = 135/15x = 9 <=== 9 five inch stones
y = x + 1y = 9 + 1y = 10 <=== 10 ten inch stones

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