Question

If (68 - a)(68 - b)(68 - c)(68 - d)(68 - e) = 725 then find a + b + c + d = ?

Answer 1

Step-by-step explanation:

taking 68 common,we get

68(-a-b-c-d-e)=725

-a-b-c-d-e=725/68

multiplying both sides by -1,

we get

a+b+c+d+e=10.67

a+b+c+d= 10.67-e

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