marcosloyola1242 marcosloyola1242
  • 21-10-2020
  • Mathematics
contestada

A plumber charges $75 for a service call, plus a $40 per hour. If the plumber's bill was $235, then how many hours was he there?

Respuesta :

nebss2zrb nebss2zrb
  • 21-10-2020

Answer:

4 hours

Step-by-step explanation:

235-75 one time fee, so subtract = 160

160/40 = 4

Answer Link
gissellabetancourt16
gissellabetancourt16 gissellabetancourt16
  • 21-10-2020

Answer:

4 Hours

40x - 75 = 235

         -75    -75

40x  = 160

40x/40 = 160/40

x = 4

Answer Link

Otras preguntas

You're conducting a physics experiment on another planet. You drop a rock from a height of 1 m and it hits the ground 0.4 seconds later. What is the acceleratio
State a conclusion that seems reasonable.A teacher gave all her classes a true-false test on seven consecutive Mondays. Today is Monday. Conclusion:
If -nx2 + tx + c = 0, what is x equal to?
you measure that it takes 0.75 seconds for a leaf to fall from a tree to the ground. the leaf experiences air resistance as it falls. if there were no air resis
the area of the rectangle is 85 cm. express the perimeter of the rectangle is function of the width x.
what is red snapper? could you help me?
Which of the following is not equivalent to the formula d = rt?
I really need help on this one...ASAP!I will try to answer your questions if you answer this soon asap! PLZZZZ!!!What would a equal if 4(a+12) was 32?
State a true conclusion. 1) If you accept the hypothesis, then you accept the conclusion. 2) You accept the conclusion. Conclusion: ?
a spoon can sound like a bell. Explain scientifically in detail.