A 18 and three fourths inch board is cut from a 38 and one fourth inch board. The saw cut takes three eighths inch. How much of the 38 and one fourth inch board is left after​ cutting?

Respuesta :

Answer:

There is 19 1/8 inches left

Step-by-step explanation:

We have a board that is 38 1/4 inches

We cut away 18 3/4

38 1/4

-18 3/4

-----------

We need to borrow 38 becomes 37 and 1/4 gets the 1 and 4/4 + 1/4 = 5/4

38 1/4

-18 3/4

-----------

We need to borrow because 7 is less than 8 2 becomes 1 and 7 becomes 17

2  17  5/4

-1  8    3/4

-----------

1  9   2/4

The saw takes 3/8

19 2/4

-   3/8

-------------

Get a common denominator of 8 2/4 * 2/2 = 4/8

19 4/8

-   3/8

-------------

19 1/8

There is 19 1/8 inches left

Answer:

18 7/8 in. left

Step-by-step explanation:

18 3/4+ 3/8 +X= 38 combine like terms

19.125+ X= 38 subtract 19.125

X= 18.875 or X= 18 7/8