Question

Independent Practice

The equation k = 1.6d gives an approximate relationship between d miles and k kilometers. The distance between Columbus, Ohio, and Des Moines, Iowa, is 665 miles. Express the distance in kilometers.


A.
1,064 km


B.
415.6 km


C.
666.6 km


D.
663.4 km

Answer 1

A. 1,064 km

Explanation:

1 Mile is 1,6 Kilometers

430 Miles = 688 Kilometers (430 * 1,6)

665 Miles = 1064 Kilometers (665 * 1,6)

1- 1.6(430)= 688 Km

2. 1.6(665)=1064 Km

Using 1.6 as the consant then 430* 1.6 = 688 Km

655 * 1.6 = 1048Km

if i understand what you need properly, all you do is multiply the miles x 1.6 and you will get k. so 430miles x 1.6 = 688k

and 665miles x 1.6 = 1064k

Answer 2

`k = 1.6d`

`k = 1.6(665)`

`k = 1064`

The distance is 1064 km.