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ruslelena [56]
3 years ago
13

125% of what is 85.And 350% of what is 679.Please help meee.

Mathematics
2 answers:
Reil [10]3 years ago
6 0
125% of 68 is 85 
350% of 194 is 679 

const2013 [10]3 years ago
3 0
125% equals to be 1.25 in decimal form. You do 85 / 1.25 and get 68. Next one 350% is 3.50 in decimal form. You do 679 / 3.50 which is 194.
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Add 80
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___________________________________

Here's a cleaner solution:

                                         x²  -  80  =  0
Add 80
to each side:                      x²          =  80

Square root
each side:                         x            =  √80

 But  80 = 16 · 5

 So     √80  =  √16 · √5

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8 0
2 years ago
Read 2 more answers
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