Answer:
1 because 2x is the slope, so 1 should be the y-intercept
Change 0.7 to 7/10 and 4 to 1/4,so it'll be 7/10x1/4, then find least common denominator, 40.change fractions to 28/40x10/40=280/40=70
In problems like this the outer and inner part are in equal ratio
