Jack is taking a road trip. If he travels 180 miles at 40 miles per gallon and then another 105 miles at 35 miles per gallon, ho
w many gallons of fuel has his car consumed?
1 answer:
Answer:
7.5 gallons
Step-by-step explanation:
you do 180 divided by 40 = 4.5
you then do 105 divided by 35=3
you then add 4.5 gallons and 3 gallons to get 7.5 gallons
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You add -8 to -8
Answer:
x=-5, y=-2. (-5, -2).
Step-by-step explanation:
x-3y=1
-x+6y=-7
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3y=-6
y=-6/3
y=-2
x-3(-2)=1
x+6=1
x=1-6
x=-5
Step-by-step explanation: