Question

NEED HELP BADLY @ganeshie8

Your friend has $100 when he goes to the fair. He spends $10 to enter the fair and $20 on food. Rides at the fair cost $2.00 per ride. Which function can be used to determine how much money he has left over after x rides? (1 point)

f(x) = −2x + 70
f(x) = 2x + 70
f(x) = −2x − 70
f(x) = −30x + $100

Answer 1

@lostintime

Answer 2

the answer is "a" @CJDOG

Answer 3

thank you could you explain the 70 is that because its the 30 off of the 100
@jeremy12345

Answer 4

and also why negative 2x

Answer 5

bc every time the person gets on a ride they have to pay $2.00 so they lose $2.00 every time they ride

Answer 6

ok thanks

Answer 7

@texaschic101 can u help with some more? or @jeremy12345 ?

Answer 8

@jeremy12345 @texaschic101 @lostintime @TylerD

Answer 9

sure