awarnk
24.10.2019 •
Mathematics
1×+3=4×-6
need finding this out
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Ответ:
1x+3 =4x-6
subtact 1x from each side
3 = 3x -6
add 6 to each side
9 = 3x
divide each side by 3
3=x
Ответ:
see explanation (please confirm if I read you problem correctly)
Step-by-step explanation:
150 kilometers
60 kph
tank is 20 liters
6 km/l
150/6 = 25 liters needed
$60/l
you will need to get 5 more liters of fuel
total cost 25 x .60 = $15