3 times 10 is 30, 7 times 10 is 70. There are 30 girls and 70 boys.
There are several information's of immense importance already given in the question.
Amount of juice that Tony actually had = 11/2 gallons
Amount of juice that Tony drank = (11/2) * (2/7) gallons
= 11/7 gallons
From the above deduction, we can easily conclude that the amount of juice that Tony drank was 11/7 gallons.
Pick the third one because he tell you which graph represents a bike traveling at constant rate of 12 miles per hour
-3
because it goes left 1 up3
3/-1 = -3 as the slope
