Question

ada, betty, david and chris have 45$ in total.if ada gets 2$ form betty, chris triples his money and david's money is cut by half, four of them have the same about. initially had has $_____

Answer 1

Step-by-step explanation:

Let initial amount is a, b, d and c respectively.

b-2= a+2 = 3c = d/2

b = a+4

c= (a+2)/3

d= 2a+4

a+a+4 +a/3+2/3+2a+4 = 45

or, 4a+8+a/3+2/3 = 45

or, 12a+24 +a+2 = 135

or, 13a = 109

or,a = 109/13