im not sure if this is right but im going to try !fighting! jiayo
total gasoline =9683
9683=2.45r+2.55(r+340)
9683=2.45r+2.55r+867
9683=5r+867
8816=5r
1763.2=r
3 miles X 4 times a week is =12 miles a week so 12 miles X 6 =72 miles
Time spent babysitting by Lucy = Tl = 4 hours
Time spent babysitting by Maria = Tm = x * 4 hours
Now we need to determine for what values of x is Tm > Tl
⇒ x * 4 > 4
⇒ x > 1
So for x > 1, Mary spends more time babysitting than Lucy does
He has half of the money because 1-1/2 = 1/2
Answer:
sorry cant help with this one
Step-by-step explanation: