katrinachen89p2cw41 katrinachen89p2cw41

18-11-2018
Mathematics

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Kids were playing baseball outside the house and broke 20% of the windows. If they broke 6 windows, how many windows did the house have? Find the answer by showing two different methods.

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wegnerkolmp2741o wegnerkolmp2741o

18-11-2018

windows * 20 percent = 6

windows * .2 = 6

divide each side by .2

windows = 6/ .2

window = 30 windows

6 windows 20

---------------- = ------------

total windows 100

cross products

6 * 100 = 20 * total windows

600 = 20 * total windows

divide each side by 20

600/20 = total windows

30 = total windows

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