Simplify each expression and identify the units you and two friends all have the same real meal for lunch. Each meal costs c dollars plus a tax of 6% of the cost and a tip of 20% of the cost. You use a $10 gift certificate. You can represent the total cost with the expression 3c + (0.06+0.20) (3c) - 10

Question

Mathematics

Caprice

22 October, 18:20

Simplify each expression and identify the units you and two friends all have the same real meal for lunch. Each meal costs c dollars plus a tax of 6% of the cost and a tip of 20% of the cost. You use a $10 gift certificate. You can represent the total cost with the expression 3c + (0.06+0.20) (3c) - 10

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Brenda Reynolds · Answer 1

T. C = 3c + (0.06+0.20) (3c) - 10

3c = cost of 3 meals

3c (0.06 + 0.20) = tax and tip expenses

10 = value of gift certificate

T. C = 3c + 0.26*3c - 10 = 3.78c - 10.