Solve the system of equations using substitution.
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Mathematics, 21.06.2019 21:00
If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?
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Mathematics, 21.06.2019 23:00
Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates
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What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21
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