Question

Slope intercept word problem.

Answer 1

The table shows the cost of mailing different weight of airmail letters to Canada in 2005.

Answer 2

Weight: (oz) 2 3 4 8
Cost ($): 0.85 1.10 1.5 2.35

Answer 3

I know it's .25 dollars per ounce

Answer 4

a. Explain why the situation can be modeled using a linear equation.
b. Write an equation that gives the cost (in $) as a function of the weight of an airmail letter (oz)

Answer 5

How would I explain... >.>

Answer 6

ok, well the equation would simply be y = .25x

Answer 7

okay...

Answer 8

and it can be modeled as a linear equation because the cost goes up gradually

Answer 9

like, it's proportional to the weight

Answer 10

I don't really understand this... i know the eqution is y=mx+b.... and I get the explanation... :3

Answer 11

I can't figure out a way to get the equation...

Answer 12

c. How much does it cost to mail a 5 oz airmail letter to canada?

Answer 13

i gave you the equation lol y = .25x

Answer 14

It should be y=.25(5) yes?

Answer 15

yup

Answer 16

I didn't see that... :P

Answer 17

Okayyy.... Thank you :3

Answer 18

:)

Answer 19

I understand now.

Answer 20

alright, coo

Answer 21

it would be 12.5 dollars right?

Answer 22

1.25

Answer 23

12.5 would be ridiculously expensive lol

Answer 24

I meant 1.25, X3. LOL. Seriously expensive...