Question

17.) A fan has 4 settings marked 0,1,2,3. On the '1' setting, it rotates 100 times in one minute. The rate of rotation doubles on the '2' setting, and again doubles on the '3' setting. How many times will the fan rotate in 15 minutes on the '3' setting? A. 1500B. 3000 C. 4500 D. 6000 100 tho 212​

Answer 1

Explanation:

Setting 1 = 100 rpm

Setting 2 = 200 rpm

Setting 3 = 400 rpm

400 rotations each minute for 15 minutes = 400 * 15 = 6000 rotations