Distance formula : sqrt (x2 - x1)^2 + (y2 - y1)^2
(212,23)...x1 = 212 and y1 = 23
(6,23)......x2 = 6 and y2 = 23
now we sub
d = sqrt ((6 - 212)^2 + (23 - 23)^2)
d = sqrt ((- 206)^2 + (0^2))
d = sqrt (42436 + 0)
d = sqrt 42436
d = 206 miles <==
Lou has 800 pennies
Joe has 8 pennies
Therefore they have 808 pennies
She could have taken the price and number of pounds and divided the price by two until she had the price for one of oranges. that is all i know, i hope it helps.
