Answer:
The answer to this is x = - y / 2
Step-by-step explanation:
How about "miles per hour?" I drive "45 miles per hour" on my way into town.
That's a unit rate.
Did you know that 2 pints = 1 quart? You could write this rate / ratio as
2 pints
---------
1 qt
or as
(1/2 qt)
----------- this is a measure of one quantity per unit of another quantity.
1 pint
The answer is 8r/9
2r = 5s/2 - s/4
2r = 10s/4 - s/4
2r = 9s/4
4 x 2r = 9s/4 x 4
8r = 9s
8r/9 = s
