The amount of a person’s paycheck p varies directly with the number of hours worked t. For 10 hours of work, the paycheck is $57.50. Write an equation for the relationship between hours of work and pay.

p = t + 57.50
p = 57.50t
p = 5.75t
p = t + 5.75

Question

The amount of a person’s paycheck p varies directly with the number of hours worked t. For 10 hours of work, the paycheck is $57.50. Write an equation for the relationship between hours of work and pay. 
  
  p = t + 57.50 
p = 57.50t
p = 5.75t
p = t + 5.75

anonymous · Answer

@kc_kennylau

kc_kennylau · Answer

Since p directly varies with t, we can write down p=kt where k is a non-zero constant.

kc_kennylau · Answer

We know that when t=10, p=57.5 (when he works for 10 hours, the money is $57.5).

kc_kennylau · Answer

So, we substitute that in

anonymous · Answer

okay

kc_kennylau · Answer

so you know how to do that now?

anonymous · Answer

would it be B

kc_kennylau · Answer

write down what you get after you substitute it in.

anonymous · Answer

So D?

anonymous · Answer

@kc_kennylau

kc_kennylau · Answer

just tell me what you get after you substitute {t=10,p=57.5} to p=kt

anonymous · Answer

well all together I   got     57.50