<u>Story Problem</u>
Mr. Bill Gates bought a house in Italy for
and a house in Canada for
. What is the total cost of the two houses?
we know that
The total cost is the sum of the cost each house
so

therefore
the answer is
The total cost is 
Do you need both of the equations or just the entire solution?
Answer:
The domain is 4, range is 5
Step-by-step explanation:
With this you need to find the unit rate so divide 48 by 4 to get 12, so the scuba diver descended 12 ft. per min.
Answer:
$0.187 per mile
Step-by-step explanation:
The sum of the expenses for the year is ...
$1,187.25 +$118.80 +$300.00 +$75 +$614.80 +$34.90 +$1,780.00
= $4110.75
Then the cost per mile is ...
cost/miles = $4110.75 / 21986 ≈ $0.18697
The cost per mile is about $0.187, or 18.7¢ per mile.
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If you need whole cents, that's about $0.19 per mile.