A welder ordered a $135$ -ft ³ cylinder of Argon gas, a shielding gas for tig welding. After a few days, only $74$ ft ³ remained. How much Argon gas was used? A) 209 ft ³ B) 71 ft ³ C) 74 ft ³ D) 171 ft ³ E) 61 ft ³

Question

Quizplus · Accepted Answer

The amount of Argon gas used is the initial amount minus the remaining amount: $135$ ft³ - $74$ ft³ = $61$ ft³.

A Welder Ordered A 135135135 -Ft 3 Cylinder of Argon Gas, a Shielding Gas for Gas

A Welder Ordered A $135$ -Ft ³ Cylinder of Argon Gas, a Shielding Gas for Gas