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eburnhisel2023
01.07.2019 •
Mathematics
1. the distance you travel varies directly with the amount of gas you use. you can travel 300 miles on 12 gallons of gas. write a direct variation equation in the form y = kx 2.how many gallons of gas will it take to travel 750 miles? 3.if gas costs $3.75 per gallon, how much will it cost in gas to go on your trip?
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Ответ:
Answer is in the attachment
Ответ:
1.
y = distance traveled
x = gallons of gas used
k = slope of the graph between distance traveled and gallons of gas used
slope is given as
k = 300 miles / 12 gallons
k = 25 miles/gallon
so the equation can be written as
y = 25 x
2.
given : y = 750 miles
using the equation
y = 25 x
inserting the values
750 = 25 x
x = 30 gallons
3.
c = cost per gallon = $3.75
c = total cost
Total cost is given as
Total cost = Cost per gallon x number of gallons
C = c x
C = $3.75 (30)
C = $112.5
Ответ:
$53.63
Step-by-step explanation:
I believe the answer is $53.63 because you multiply 865 by 6.2% (.062) which gives you $53.63.