Question

A+B=15 B*C=18 C/D=3 B+D=18 FIND THE VALUE OF D

Answer 1

Answer:

it is not B*C=18

it is B*C=84

A+B=15----(1)

B*C=84----(2)

C/D=3-----(3)

B+D=18----(4)

(3)=C=3*4=12

putting C=12 in (2)

B*12=84

B=7 in equation (4)

7+D=18

D=11