Emily and andy each go to a hardware store to buy wire. the table shows the relationship between the cost and the length of wire.
a. emily needs 24 feet of wire. how much will she spend on wire?
b. andy needs 13 yards of wire. how much will he spend on wire?
inches. cost
120. =. 4.80
135. =. 5.40
150. =. 6.00
175. = 7.00

So, Emily will spend,  11.52 unit on wire

and, Andy will spend  18.72 unit on wire.

Step-by-step explanation:

Cost of wire is =

                       =  

                       =

                       =  

                        = 0.04 unit/inch

We know that,

 12 inch = 1 foot    and

  1 yard = 3 foot    [Note that unit of a quantity always denoted singular].

So, Emily will spend,

  unit

 = 11.52 unit on wire

and, Andy will spend,

  unit

 = 18.72 unit on wire.

it's

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.