Question

A,b,c,d,e are distinct numbers. if (75-a)(75-b)(75-c)(75-d)(75-e)=2299 then a+b+c+d= ? hint

Answer 1

let a=64,b=56,c=86,d=76,and e=74. now, (75-64)(75-56)(75-86)(75-76)(75-74) = 11 * 19 * -11 * -1 * 1  = 2299 so! a+b+c+d 64+56+86+76  =282

Answer 2

Refer to the above attachment