1. Renting a bicycle costs $30 for the first day and $10 for each additional day.a. Write an equation in simplified form to find the total cost C for a bike rental ithe number of days d it was rented.b. Find the cost of renting a bike for 5 days.Answer:
Part a:  30+10d  That is your equation.  30 for the start and 10 more for each additional day. Part b:  So there are 4 additional days. Let's fill in the equation and solve. 30+10*4 30+40 $70 The answer is $70
