Some equations are solved on the basis of a certain system. Find the correct answer for the given equations on that basis:-5 × 7 × 4 = 537 × 5 × 8 = 678 × 3 × 6 = ?

Some equations are solved on the basis of a certain system. Find the c

1.	Some equations are solved on the basis of a certain system. Find the correct answer for the given equations on that basis:-5 × 7 × 4 = 537 × 5 × 8 = 678 × 3 × 6 = ?
A.	87
B.	67
C.	73
D.	77
Answer» E.