You purchase n cartons of tennis balls at $25 per carton from an online retailer that charges 8% tax and $17 in shipping costs.
1 answer:
Answer:
The expression is
Step-by-step explanation:
The question is Simplify the expression and identify the units
we have
Find the product between 0.08 and 25n
substitute
Groups terms that contain the same variable
Combine like terms
The expression above represent the total cost
therefore
the unit is in dollars ($)
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Write the equation of the second train: y = -20t+72, assuming the train one is at the origins when t = 0.
Now solve the equation: 12t=-20t+72,
32t = 72, then t = 2.25 hours. The two train meet after 2.25 hours.
Now the equation of the <span>pigeon is like this: x = 48t.
</span>Then for t = 2.25, we get
<span>The Hyde has flown 108 km when the trains meet.</span>