At Yvonne's auto dealing, car washes cost $5 for any time up to 10 minutes, plus $ .40 per minute after that. The managers at Yvonne's are trying to agree on a formula for calculating the cost c for a t-minute car wash. Sid thinks c = 0.4t + 5 is correct. Is he correct?

He is incorrect

Step-by-step explanation:

Here, given the charge at the auto dealing, we want to know if the formula the managers came up with is correct

The base fee is $5 for 10 minutes or less

Now for any extra minute after the tenth, $0.5 will be paid

So for a t-minute wash, the amount to be paid will be;

C = $5 + 0.4( t- 10) = 5 + 0.4t - 4 = 1 + 0.4t

If t < 10 , C = $5

If t > 10, C = 1 + 0.4t

Sid is incorrect

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney

step-by-step explanation:

when the line is solid:

when the line is dashed:

this > inequality sign means:

this < inequality sign means:

this > inequality sign means:

this < inequality sign means:

about the problem:

srry i'm not done ! i'll