# The formula for r and t .

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

#### Solutions

Chapter 1.6, Problem 6E
To determine

## To fill: The formula for r and t.

Expert Solution

The formula for r is r=dt and formula for t is t=dr.

### Explanation of Solution

The formula of distance d travelled by an object moving at the constant rate r in time t is,

d=rt (1)

From equation (1) formula for rate r is,

rt=dr=dt

From equation (1) formula for rate t is,

rt=dt=dr

Thus, the formula for r is r=dt and formula for t is t=dr.

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