Problem 354

Problem 354

For the following equations write a word problem draw a picture , and find the solution to the equation:

a. =  ?

b. =  ?

 

Solution

a.

 – =?

Sarah wants to buy a gold chain measuring ft from a jeweler that has a chain with a length of 5 inches. How many inches will the jeweler have left after selling Sarah the length she desires?

 

The solution to the equation is  – = . So, the jeweler will have 1 in left.

–|–|–|–|–|–|–|–|–|–|–|–

0  ^{1/12               5/12}

–|–|–|–|–|–|–|–|–|–|–|–

0                 ^1/3

–>

b.

½ – =?

David has finished painting ½ of a room, but he’s supposed to paint of the room. How much more does he have to paint still?

 

½ – = –

He still has to paint 1/6 of the room.

 

—-|—-|—-|—-|

0         ½        1

 

—-|—-|—-|—-|

0            ^2/3    1

 

–>