A. Convert 4.2 feet to meters. 4.2 feet = 1.28016 meters. The Formula of Scale = Big / Small Scale = 525 meters / 1.28016 meters Scale = 410.1050 meters
b. Convert 4.2 feet to inches. 4.2 feet = 50.4 inches. To get the number of plywood, divide 50.4 inches by 0.6 inch. The answer is 84. So there are 84 plywood sheets.
Let x be the no. of seconds it takes for the balloons to be at the same height. 7+3x = 12+2x Deduct both sides by 2x. 7+x = 12 Deduct both sides by 7. x = 5 Ans: It will take 5 seconds for the balloons to be at the same height.
