SOLUTION: At lunch, there was a choice of pizza or a hot dog. Three times as many students chose pizza as chose hot dogs. All together, 160 students got lunch. How many students got pizza

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: At lunch, there was a choice of pizza or a hot dog. Three times as many students chose pizza as chose hot dogs. All together, 160 students got lunch. How many students got pizza      Log On


   

Question 1078070: At lunch, there was a choice of pizza or a hot dog. Three times as many students chose pizza as chose hot dogs. All together, 160 students got lunch. How many students got pizza and how many got a hot dog? Solve this problem in two ways: with the aid of a strip diagram and with algebraic equations. Explain both methods.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
P%2BH=160
P=3H
Substituting,
3H%2BH=160
4H=160
Solve for H then solve for P.