If 6!+7!+8! = (n) (6!), then the value of n is

A) 15

B) 16

C) 63

D) 64

E) 15!

Question

Mathematics

Moose

18 May, 04:28

If 6!+7!+8! = (n) (6!), then the value of n is

A) 15

B) 16

C) 63

D) 64

E) 15!

+2

Answers (1)

Know the Answer?

Jovanny Summers · Answer 1

6!+7!+8! = (n) (6!)

calculate the individual values first:

6!=720

7!=5040

8!=40320

plug them into the equation:

720+5040+40320=n720

solve for n

5760+40320=n720

46080=n720

divide both sides by 720 to isolate n

46080/720=n720/720

64=n

If 6!+7!+8! = (n) (6!), then the value of n isA) 15B) 16C) 63D) 64E) 15!

If 6!+7!+8! = (n) (6!), then the value of n is

A) 15

B) 16

C) 63

D) 64

E) 15!