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  • 10-12-2016
  • Mathematics
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please help me with number 5 I have the start.

please help me with number 5 I have the start class=

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joshuamcgougan7
joshuamcgougan7 joshuamcgougan7
  • 10-12-2016
So the ratio is 7:5 and the total profit is 90$ so if you added 7 and 5 together you would get a total of 12 parts and if you divided 90$ by 12 you would get 7.5 ... so if you take the 7.5 back into the original 7:5 ratio and times it by each term/ 7.5 x 7 = 52.5 , 7.5 x 5 = 37.5 / add the two totals together/ 52.5 + 37.5 = 90 (the original total profit)
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