Question

A plumbing company charges 42.50$plusxdollarsperhourtomakeahousecall.Whatwouldbethecostofa$90\ minute$ house call?

• A. $90(42.50+x)$
• B. $1.5(42.50+x)$
• C. $1.5\left(42.50x\right)$
• D. $42.50+90x$
• E. $42.50+1.5x$

Answer 1

The correct option is E $42.50+1.5x$

Given a plumbing company charges $\$42.50$ plus $x$ dollars per hour to make a house call.

Then he charges for $90$ minute call $=$ $42.50+\frac{90}{60}x=42.50+1.5x$