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3 May, 08:07

Mr. square bought 2 pounds of cheddar cheese and 3 pounds of beef for $26.35. Mrs. Rectangle bought 1.5 pounds of cheese and 2 pounds of beef for 18.35. miss circle wants to buy 3 pounds of cheese and 4 pounds of beef. what will her cost be?

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  1. 3 May, 08:58
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    Write 2 equations 2c + 3b = 26.35 and 1.5 c + 2b = 18.35. Solve the equations by multiplying the first equation by - 2 to get - 4c - 6b = - 52.7 and the second equation by 3 to get 4.5c + 6y = 55.05. Add the equations to solve for c = 4.7 and b = 5.65. Now substitute into the equation 3 (4.7) + 4 (5.65) to find the total cost.
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