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10kg/500g= 20 bags20 bags x £1.30= £26 (money made)£26-£20= £6 (profit)(£6/£20)*100= 30% (percentage profit)
first you want to remove the fraction, so must multiply both sides of the equation by 2, giving: 5 - x = 4x - 14. Then you want to group all of the x's on one side, so will move x to the right where the s...
Using BODMAS:4*5 = 203+20 = 23
C = (F-32)*(5/9)(9/5)C = F-32F = (9/5)C + 32
Blue:Red = 4:54+5 = 945/9=5As the ration is 4:5, this means that there are 5*5 = 25 red counters in a bag
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