a welder ordered a 125-ft3 cylinder of argon gas, a shielding gas for TIG welding. After a few days, only 78ft3 remained. how much argon was used? can u show how answer was got....thanks in advance

Question

barrycarter · Answer

Hint: subtraction

anonymous · Answer

thanks but can u explain to me exactly how it is suppose to be done? i am really lost

barrycarter · Answer

If you start with 125, and have 78 left, you need to find 125-x=78 (they just throw in that stuff about cubic feet and argon to confuse you)

anonymous · Answer

thanks so much is the answer 47

barrycarter · Answer

Correct!

anonymous · Answer

thanks so much!!!!