how do you solve 55% of 810?

2010-12-01 9:57 pm
I'm so confused on solving this can somebody explain this to me please :)

回答 (9)

2010-12-05 3:25 pm
✔ 最佳答案
55% of 810 =810*55/100 = 445.5
2010-12-01 10:48 pm
55%=0.55
0.55 x 810 =445.5
2010-12-01 10:06 pm
55/100=x/810

cross multiply

100x=44550
x=445.5

or
.55*810=445.5
2010-12-01 10:05 pm
445.5 // 445.50

you multiply.
of = multiply.
2010-12-01 10:00 pm
convert 55% to a decimal by dividing by 100
55/100 = .55
multiply 810 by .55
810(.55) = 445.5
2010-12-01 10:00 pm
n% = n/100
55% = 55/100 = .55
55% of 810 can be interpreted as multiplying .55 by 810.
.55 x 810 = 445.5
2010-12-01 10:00 pm
55% is the same as 55/100 which is .55 to get 55% of something you mutliply it, so 810times .55=445.5
2010-12-01 9:59 pm
55%=0.55 so just do 810*0.55=445.5
2010-12-01 9:59 pm
445.50
參考: Electronic calculator CASIO


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