Freya, a post office clerk, uses 2 yards, 1 foot, 7 inches of twine to wrap each damaged carton she repairs. she has to repair 17 cartons today. how much twine will she need? a (42 yards 2 feet (11 inches b( 42-yard 17 feet 199 (inches c (34 yard 17 feet 119 (inches d 34 yards 26 feet 11 inches

Freya, a post office clerk, uses 2 yards, 1 foot, 7 inches of twine to wrap each damaged carton she repairs.

So,

2 yards 1 feet 7 inches means 2 yards 1 feet and 0.5833 feet

Means 2 yards  feet

2 yards 1.5833 feet

So,

Means 2 yards and 0.528 yards = 2.528 yards

It means for 1 carton, she needs twine = 2.528 yards

So, for 17 carton, she needs twine =

It means she needs 42.976 yards twine.  

Hope it will help :)

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column