The cost (in dollars) of making N birthday cakes is represented by C= 24n + 35. How many birthday cakes are made when the cost i
s $395? Show your work and include units in your Answer.
1 answer:
The cost is $395. You are trying to find <em>n</em> in 24<em>n</em> + 35.
Set C = 395.
You get 395 = 24<em>n</em> + 35.
Solve for <em>n</em> by first subtracting 35 from both sides of the equation:
395 - 35 = 360.
24<em>n</em> + 35 - 35 = 24<em>n</em>.
Now you have 360 = 24<em>n</em>. Divide both sides by 24 to get:
15 = <em>n</em>.
So, 15 birthday cakes are made when the cost is $395.
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