A car's gas tank that is 40% full contains 12 gallons of gas. Show the math you used to find the maximum capacity of the gas tank.

30 gallons

Step-by-step explanation:

So fist we add 40% and $40%. That's 80 percent of the tank which is 12 + 12 = 24. Then we figure out half of 40 percent which is 20 which means its 6 gallons. Now we add. 12+12+6 which equals our answer 30 gallons

30 gallons is the maximum capacity

Step-by-step explanation:

40% is 12 gallons and add another 40% you get 24 gallons and if 12 gallons is 40% then split that half and you get 6 gallons 20% percent add 20% to the 80% . 12+12=24+6=30 gallons

i get you, what you should do is think of the positive things that would come out of it. it will make yours parents proud and raise your grade. you should always try and if you can't focus tell the teacher.

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step-by-step explanation: