29. Leo spends $5 per week on music. a. Make a table that shows how much he spends over 4 weeks.
b. Write an equation that determines the dollars spent d per week w.
c. Determine how much he has spent over 6 weeks.
d. If the equation was d=7w, how much is he spending each week?
30. Shelby walks at a constant rate. The equation that represents this
relationship is d=4t, where d is the distance in miles and t is the
time in hours.
a. What does the coefficient 4 tell you about Shelby?
b. Make use of structure. What question is answered by the
equation d=4(32)?
31. Andy bikes 20 miles in 1 hour. After 5 hours, he has biked 100 miles.
a. Make a table starting at hour 5 and going to hour 10, showing the
number of miles he has traveled.
b. Write an equation that relates the number of hours to the miles he
travels.
c. Write an equation to determine how many miles he has traveled
at 21 hours, when he has gone 400 miles after 20 hours.
d. How far does he bike between hours 31 and 32?