How many degrees does the minute hand turn from 3:15 to 3:55?

How many degrees does the minute hand turn from 3:15 to 3:55?


Minute hand: (55-15) * 360 / 60 = 240
Hour hand: (55-15) / 60 * 30 = 20



There's a process of 7 out of 8 times 21 divided by 7 out of 32


7/8x21÷7/32
=7/8x21x32/7
=84



What's the sum of 7 times 42 plus 485 divided by 5?


42 × 7 + 485 △ 5, = 294 + 97, = 391