Question

Write each ratio as a unit rate.

a) 0.678 kilometers per hour
b) 0.678 kilometers in 8 hours
c) 0.085 kilometers per hour
d) 0.085 kilometers in 8 hours

Answer 1

a) 0.678 kilometers per hour is the unit rate. b) 0.085 kilometers per hour is the unit rate. c) 0.085 kilometers per hour is the unit rate. d) 0.010625 kilometers per hour is the unit rate.

Step-by-step explanation:

a) To convert a ratio to a unit rate, divide the numerator by the denominator. In this case, 0.678 kilometers per hour can be converted to a unit rate by dividing 0.678 by 1. So, the unit rate is 0.678 kilometers per hour.

b) To convert 0.678 kilometers in 8 hours to a unit rate, divide 0.678 by 8. The unit rate is 0.085 kilometers per hour.

c) To convert 0.085 kilometers per hour to a unit rate, divide 0.085 by 1. The unit rate is 0.085 kilometers per hour.

d) To convert 0.085 kilometers in 8 hours to a unit rate, divide 0.085 by 8. The unit rate is 0.010625 kilometers per hour.