Question

A yearbook printer charges based on the number of pages printed. Here is a table that shows the cost of some recent yearbooks.


Number of pages 50 100 150 200
Cost 1.55 2.25 2.95 3.65

Which equation gives the cost, y, in terms of the number of pages, x?

A.
y = 0.014x + 49.15

B.
y = 0.014x + 1.55

C.
y = 0.014x + 0.85

D.
y = 58.8x + 0.85

Answer 1

I think it could be A but I'm not certain

Answer 2

You can eliminate A; the cost of yearbooks are all less than 49.15

Answer 3

are u sure this are all the options
i can work u tru the steps but i am not getting any of the options u have posted

Answer 4

100% sure

Answer 5

ok..i'll look over again

Answer 6

Ok could it possibly be B then @dimensionx

Answer 7

from the data what is the cost of 1 page?

Answer 8

1.55 correct?

Answer 9

nope that is the cost for 50pages

Answer 10

look t the difference between page 50-100
100-150
then u can tell?

Answer 11

Oh sorry xD would it be 0.031?

Answer 12

nah.. ok do these
what is the difference between the cost of 100 pages to 50pages

Answer 13

0.7 i did 2.25-1.55

Answer 14

I hope i don't seem like an idiot i am just awful at math

Answer 15

@MrNood

Answer 16

ok great. no u don't seem like an idiot we are all learning
try the same method for the cost between 150 pages and 100pages
to confirm ur initial difference is right

Answer 17

did u get the same 0.7? @TwiztTiez

Answer 18

Yup yup

Answer 19

@Mariam.A

Answer 20

ok great then so if the difference is 0.7 and the cost for 50pages is 1.55
what is the cost for 1 page going to be?

Answer 21

0.85??

Answer 22

@Mariam.A

Answer 23

yeah great

Answer 24

so what does would u be using the 0.85 for?

Answer 25

So then it'd be C or D right?

Answer 26

yeah but u still need to find one more variable

Answer 27

Which is?

Answer 28

u can decide to test both option to see which one works out

Answer 29

or divide your rate difference 0.7 by the number of pages difference 50 to work it out
meaning
0.7/50

Answer 30

Is it D?

Answer 31

No it's C i get it thanks

Answer 32

ur welcome..

Answer 33

Because 0.7/50=0.014 thanks fanned and medal

Answer 34

thanks :D

Answer 35

Can you help me with one more @Mariam.A

Answer 36

ok, i'll try ..post it