The number is 536.
The halfway point between 500 and 600 is (500 + 600) ÷ 2 = 550
200, 300, 400, 500, 600, 700, 800 and 900.
The number halfway between them is 600.
600.
500
is 548 closer to 500 or 600
an aeroplane can go between 500-600 mphThe average speed of an airplane is about 500-600 mph
500
400 to 500
600
About 500 or 600 miles between them!:)
100, 200, 300, 400, 500, 600, 700.