Find the domain f(x) = 1 + x²
1 answer:
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The expression x=20-3D will present the amount Amy has left after buying D sodas.
Step-by-step explanation:
Given,
Total amount = 20 quarters
Cost of sodas = $0.75 = 0.75*100 = 75 cents
25 cents = 1 quarter
1 cent =
75 cents = = 3 quarters
Amount of D sodas = 3D
Let x be the amount left with Amy.
Amount left = total amount - Amount of D sodas
The expression x=20-3D will present the amount Amy has left after buying D sodas.
Keywords: fractions, subtraction
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