If y varies directly as x, and y is 180 when x is n and y is n when x is 5, what is the value of n? 6 18 30 36
8/a - 6/a + 7/a
since the denominators are the same, we can add the numerators
then put it over the common denominator a
the graph is a continuous line.
hope this !
it is 30 mph
x=250 mph plane without wind
wind is 30 mph