Every 12th box gets a whistle and a ball because 12 is the lowest common factor of 6 and 4.
Area of the sheet used to make the tank = total surface area of the cylinder = 2r(r+h) = 2 x 22/7 x 63 x 263 = 104148 sq. cm.
Answer: Row 3
Row 2
6 and 10
Step-by-step explanation: C B A
20% of 50 is 10
Half of 50 is 25
25 + 10 = 35
50 -35 = 15
15 of the backpacks were neither pink or blue
Hope this helps :)
72=1,72,2,36,3,24,4,18,6,12,8,9
28=1,28,2,14,4,7
So,the answer is 4