A family’s vacation destination is 850 miles from their home. They travel by car 6 hours on the first day of their trip. Their average speed is 45 miles per hour. The next day they travel 7 hours, averaging the same speed. How many miles are left for the family to travel?

The distance traveled is equal to the product of the speed and the time. For the first day,

                                     d = (45 mile/h)(6 h) = 270 miles

On the second day,

                                     d = (45 mile/h)(7 h) = 315 miles

The total distance traveled after 2 days is equal to 585 miles. Subtracting this value from the given distance will give us an answer of 265 miles.  

Step-by-step explanation:

6x45=270, 7x45=315, 270+315=585, 850-585=265

265 miles left

10 * 563.67 = 5636.7

step-by-step explanation:

you can add the two numbers and divide the result by 2. or you can find the gap between the two numbers and add half of this to the smaller number.