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Mathematics 10 Online
OpenStudy (volleyballlover55):

help!

OpenStudy (volleyballlover55):

Jim provides photos for two online sites: site A and site B. Site A pays $0.85 for every photo Jim provides. The amount in dollars (y) site B pays as a function of the number of photos provided (x) is represented by the equation y = 0.40x. How much more was Jim paid at site A than at site B, if he provided five photos for each site? $1.15 $1.35 $2.15 $2.25

OpenStudy (volleyballlover55):

@calculusxy

OpenStudy (calculusxy):

A way to represent the amount of money that site A requires for \(x\) number of photos is \(y = $0.85x\). We already know the equation for site B, which is \(y = $0.40x\). If \(x = 5\), substitute it back into the equation for site A we will get...? And for site B we will get...?

OpenStudy (volleyballlover55):

i do y=0.40(5) ?

OpenStudy (calculusxy):

Yes.

OpenStudy (volleyballlover55):

ok.. y=2

OpenStudy (calculusxy):

Correct. What about for site A?

OpenStudy (volleyballlover55):

whats the equation for site A again?

OpenStudy (calculusxy):

\(y = $0.85x\)

OpenStudy (volleyballlover55):

ok.. and the x is 5?

OpenStudy (calculusxy):

Yes

OpenStudy (volleyballlover55):

ok.. x=4.25

OpenStudy (calculusxy):

Correct. Now find the difference between the values.

OpenStudy (volleyballlover55):

how?

OpenStudy (calculusxy):

Subtract. \(4.25 - 2\)

OpenStudy (volleyballlover55):

2.25

OpenStudy (calculusxy):

Correct!

OpenStudy (volleyballlover55):

ok!

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