So first, just calculate how much more she needs to save to get the guitar.
253.77 - 136.27 = 117.5
And now just find how many weeks she needs to save up for.
117.5 / 23.5 = 5
So she needs to save up for 5 more weeks.
If Carly had more DVDs than Rob then you would subtract her amount away from the total. 42-4=38
Answer:
If an amount is included as a "Gratuity" or "Service Charge," tipping is not required. ... If the tip is included, the breakdown of the bill will read "gratuity" or "service charge," which means that a tip is already included.
Step-by-step explanation:
hope this helps!