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Mariana [72]
3 years ago
5

Solve the following system using substitution: x + 12y =68, x = 8y -12

Mathematics
2 answers:
IRISSAK [1]3 years ago
6 0
Plug 8y - 12 in for X of X + 12y =68. Solve for y by getting the variable of y on one side and the whole numbers on the other. Divide the number in front of y on both sides to find y.
dusya [7]3 years ago
3 0
The answer should be y=4
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A man bought 20 dozens of eggs at 90.00 Ghana cedies a dozen and sold them at 1.20 Ghana cedies a dozen. Find his gain percent​
Anuta_ua [19.1K]

Answer:

33.33%

Step-by-step explanation:

Given that CP for 20dozen = 20×90

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So is the selling price

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