What is the unit rate for 644.8 ft in 31 s? enter your answer, as a decimal, in the box.

The unit rate is 20.8 ft/ sec.

Step-by-step explanation:

It is given that the displacement of 644.8 ft in 31 s.

When the rate is define in the quantity of 1, then it is called unit rate.

In 31 s the displacement is 644.8 ft.

Divide both sides by 31,

For one second the value of the displacement is 20.8.

Therefore the unit rate for 644.8 ft in 31 s is 20.8 ft/sec.

answer: 25.4 units

step-by-step explanation: radius = 12.7 units

diameter = twice the radius

diameter = 12.7 x 2

= 25.4

add an !

step-by-step explanation: