Write a variable expression showing the total cost ...

Question

The initial numeric format was on a chart. Not sure that I can draw it here though.

    Proposed Bike Rental Rate Increase

    Current rate            Increased rate

Initial Charge: $6               $10

Hourly rate:    $4                $$5

 

Supposed to show the work on this.  I have no recollection of ever doing this in class, so I am a little lost. Write a variable expression showing the total cost to rent a bike at the current rate. Write a variable expression showing the total cost to rent a bike at the increased rate. Define the variable. THEN, Use the variable expression to calculate the cost to rent a bike for 6 hours at the current rate and at the increased rate. THEN, Calculate the percent increase in the total cost to rent a bike for 6 hours if the proposed rates are approved. THEN, if Jerome paid $42 for a bike rental at the current rate. Write and solve an equation to determine the number of hours he rented the bike. 

 

Answer 1

Let me see if I can help you get started.

 

Let x = no. hours bike rented

 

Current rate Total cost = 6 + 4x

 

The variable is defined. I gave you the expression for the current rate total cost. Using this as an example can you figure out the expression for the increased rate total charge? THEN do the calculations for both rates for 6 hours and complete the rest of the problem. Email me through WyzAnt if you are still stuck. I tutor math online.

 

Tami O.