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5 lollipops and 12 toffees have a mass of 61 grams and 10 lollipops and 13 toffees have a mass of 89 grams . Calculate the mass of one lollipop and one toffee
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May 6, 2017
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5 lollipops and 12 toffees have a mass of 61 grams and 10 lollipops and 13 toffees have a mass of 89 grams . Calculate the mass of one lollipop and one toffee
Mathematics
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Assaf Neufeld
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a - mass of the lollipop
b - mass of yhe toffee
5a + 12b = 61
10a + 13b = 89
10a = 89 - 13b
a = 8.9 - 1.3b
5*(8.9 - 1.3b) + 12b = 61
44.5 - 6.5b + 12b = 61
5.5b = 16.5
b = 3
a = 8.9 - 1.3*3 = 5
a = 5
b = 3
Lollipop has a mass 5g and toffee 3g
Kevin Marsden
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May 12, 2017
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Kevin Marsden
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