Question 1070395
Hourly rate= 10c+0.2*a, where c=number of children and a=age of baby sitter.
If baby sitter is 15, then 0.2*15=3
Hourly rate then equals
for c=1 10+3=$13
for c=2 20+3=$23, etc.
{{{graph(300,300,-5,5,-5,50,10x+3)}}}, where x-axis is number of children and y-axis is the hourly rate.