For the first question take the total amount, 257.64 divided by 6.78, that will give u the amount of hours. If the answer needs to be without decimals round up to the nearest hour
48) 336/15 = 22.4 (The car can travel 22.4 miles with 1 gallon of gas) 49) 392/16 = 24.5 (The car can travel 25.5 miles with 1 gallon of gas) 50) $6.78 * 36 hours = $244.08 $294.93 - $244.08 = $50.85 $50.85/$10.17 = 5 (She worked 5 hours overtime)
