He can only pick 7 different groups because 2 times 7 is 14, and there are 15 people in all.
Hope this helps. c:
Thanks merry Christmas to you
If you add all of the numbers together the answer your going to get is 17+32+28 which equals 77
Answer:
Speed of car = 49 mph (Approx.)
Step-by-step explanation:
Given:
Length of skid marked = 115 ft
Formula for skid mark = S = √21d
Where d = Length of skid marked
Find:
Speed of car
Computation:
Speed of car = √21d
Speed of car = √21(115)
Speed of car = √2,415
Speed of car = 49.1426
Speed of car = 49 mph (Approx.)
