Rapids

Can you help me with Solving Systems of Equations?

John wants to take his kids on two rides at the local fair, the Ferris Wheel and the Raging Rapid roller coaster. John estimates that they will have time for a total of only 15 rides. He has $35 to spend. Write a system of equations to represent John's situation. Let x be number of Ferris Wheel rides and y be the number of Raging Rapid rides. Solve this system of equations by substitution.(This I can do. All I really need help in is writing the system of equations) Any help would be great. Thanks in advance to anyone who offers any help.

Public Comments

1. You didn't include enough information for people to do your homework for you.the prices per ride are needed
2. Say the cost for the Ferris Wheel is $F and the cost for the Raging Rapid roller coaster is $R.... You're going to want to find f: the number of rides possible on the Ferris Wheel and r, the number of rides possible on the Raging Rapid. 1. You have time for 15 rides => f + r = 15 2. You can only spend $35 => F*f + R*r = 35 Using 1, => f = (15-r) . Put this in 2: F*(15-r) + R*r = 35, or 15*F + (R-F)*r = 35, or r = (35-15*F)/(R-F) ... so once you put in F and R, then you know r.... the number of rides on the Roller coaster. f = 15-r