Answer:
54 mi
Step-by-step explanation:
Heather drove 162 mi in 33 h.
She drove x mi in 11 h.
This is a problem involving ratio-and-proportion.
162/x = 33/11
Reduce the fraction to lowest terms 162/x = 3
Multiply each side by x 162 = 3x
Divide each side by 3 x = 54
Heather drove 54 mi in 11 h.
