Javier has a job installing windows. He earns a rate of $75 per day plus $8 per window installed. He also receives a stipend of $25 for snacks. Javier knows his weekly earnings can be shown with the following expression:
75d + 8w + 25
Part A: Identify a coefficient, a variable, and a constant in this expression.
Part B: If Javier works for 5 days and installs 48 windows, how much does he earn? Show your work to receive full credit.
Part C: If Javier gets an increase in his stipend and receives $40 for snacks, would the coefficient, variable, or constant in the equation change? Why?

Question

Javier has a job installing windows. He earns a rate of $75 per day plus $8 per window installed. He also receives a stipend of $25 for snacks. Javier knows his weekly earnings can be shown with the following expression: 
75d + 8w + 25 
Part A: Identify a coefficient, a variable, and a constant in this expression.  
Part B: If Javier works for 5 days and installs 48 windows, how much does he earn? Show your work to receive full credit.
 Part C: If Javier gets an increase in his stipend and receives $40 for snacks, would the coefficient, variable, or constant in the equation change? Why?

anonymous · Answer

variables are d and w ( do you know the rest???)
75(5)+8(48)+25
I'm assuming the variable would change

triciaal · Answer

the variable would not change the constant would change
instead of 25 he now gets 40

anonymous · Answer

thats what i meant, i didn't notice the typo...thanks @triciaal for pointing it out!