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Alex Ar [27]
2 years ago
3

Four feet are cut from a 12-foot board. What is the percent decrease in length?

Mathematics
2 answers:
const2013 [10]2 years ago
8 0
Okie, so percent decrease is the amount loss divided by the original number and multiplied by 100 to find the percent. This is because you are finding the amount loss in terms of the total amount - percent basically. 
The amount loss : 4 feet
4 feet/ 12 feet = .3333 (ratio of how much cut) multiply by 100 --> 33.3% decrease. From 12 feet to 8 feet is a 33.3 % decrease. I hope this helps :-)
Llana [10]2 years ago
4 0
0.48
Ok, my love, the percentage would be 0.48%, I hope you get a good grade!~
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