Answer:
Step-by-step explanation:
<u>This a form of the proportional relationship:</u>
- f(x) = kx, where f(x) - total cost, k- cost of each item, x - number of items
<u>We have:</u>
<u>It means:</u>
- Total cost of 5 cupcakes is $12
Volume of a triangular prism = base area x height
720 = base area x 5
base area = 720 ÷ 5 = 144 ft²
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Answer: The base area is 144 ft²
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<span>ur more than a number x + 4 or 4 + x<span> start with a number, add 4</span></span>