3/7 top and bottom are divisible by 12
Amount of room hannah can paint in an hour = 1/20
amount of room destiny can paint in an hour = 1/16
number of hours = x
1/20x + 1/16x = 1
the reason why this formula is true is, the amount of the room painted in the end should be 1 (the whole room)
4/80x + 5/80x = 1
9/80x = 1
9x = 80
x = 80/9 hours
x = 8.89 hours
Compare that with what we would have with a linear increase (2%): ... Now we shall examine the differences displayed with the functions in our example ... An exponential function with a > 0 and b > 1, like the one above, represents an .... Overview · Writing linear equations using the slope-intercept form · Writing linear.
