10 5 25 3 July 8, 2019 16 32 64 128 5 25 x 10 3 5 10 15 plenty 25 30 10 * 5 3 sqrt 25 )) 1.5 3x 10 )- 5 25 10 30 to 5 25 10 3w 5 w 25 Lcm of 5 10 25 and 30 10 days before 3 5 25 10 5 3y 25