The correct answer is 2 inches
Hi!
First put the numbers in numerical order.
57, 57.5, 58, 58.5
Now find the number in between 57.5 and 58, whichc is 57.75.
The answer is 57.75
Hope this helps! :)
<span>(a+c)/(b+d) = (a-c) / (b-d)
cross multiply
ab -ad +bc -cd = ab +ad -bc -cd
cancelling ab and -cd, on both sides of eqn
combining like terms
-2ad = -2bc
dividing both sides by (-2)
ad =bc
dividing both sides by (bd)
a/b = c/d,,,,,,,,,as required</span>
If their are 3 friends sharing 1.5 pizza you simply divide 1.5/3 = 1/2
Each friend gets 1/2 of the pizza