Joan and Ernie are earning money for summer camp. Joan receives a $7 weekly allowance plus $6 for each hour she helps her father paint. Ernie writes the equation LaTeX: y\:=\:5x\:+7y = 5 x + 7 to represent the relationship between the number of hours he helps his father with yard work and his weekly allowance.
Which person has the greater rate of change?
Which person has the greater y – intercept?
Which has more money at 10 weeks?
Choose all that apply
Joan has more money in 10 weeks
Joan has the greatest rate of change
Joan has the greatest y-intercept
They have the same amount of money in 10 weeks
Their rate of change is the same
Ernie has the greatest rate of change
Ernie has more money in 10 weeks
Ernie has the greatest y-intercept
Their y-intercepts are the same