Acruise ship makes the 1,500-mile trip from london to athens in 83 1 3 hours. if it travels 10 miles per hour faster on the return trip, the return trip will take

He will take 53.57 hours in returning the trip

Explanation:

Since we have given that

Distance traveled by a cruise ship = 1500 miles

Time taken to travel from London to Athens is given by

Now,

Speed is given by

Now,

if he increase the speed 10 miles per hour

So, new speed becomes

Time taken in returning trip will be

Hence, he will take 53.57 hours in returning the trip.

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a