Asked by Veii

The following table shows the price charged by a local courier company to collect and deliver packages.

# of packages Cost ($)
1 15
2 17
3 19

What is the cost to have b packages collected and delivered?

Extend the pattern to find the cost of 8 packages collected and delivered.

Why do you think it costs $15 to collect and deliver one package but only $17 to collect and deliver 2 packages?
Answered by Ms. Sue
15 + 2b = c

15 + 2(8) = 31

What do you think?
Answered by Veii
How about: Why do you think it costs $15 to collect and deliver one package but only $17 to collect and deliver 2 packages?

Answered by Ms. Sue
How many trips to your door does the delivery person leave one package? How many trips do s/he make to deliver 2 packages at the same time?
Answered by Veii
What do you mean?
Answered by Ms. Sue
When a delivery person delivers one package, how many trips does s/he make from the truck to your door?

When a delivery person delivers two packages at the same time, how many trips does s/he make from the truck to your door?
Answered by Veii
10?

5?
Answered by Ms. Sue
Please explain your answer. Does a delivery person walk to your door 10 times to deliver one package?
Answered by Damon
13 for the drive and 2 for each package.
c = 13 + 2 n
Answered by Ms. Sue
I goofed. Go with Damon's answer.
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