Question

On the first day in each month, Enid deposited $4 into her bank account and Jim deposited $3 into his. They opened these accounts on May 15, 1990. On December 31, 1990, they each had $72 dollars in their account. How much did each person deposit on May 15?
(Note: Neither person earned interest.)

Answer 1

Let X = amount Enid deposited on May 15.
and Y = amount Jim deposited on May 15.
==================================
May 15 = X...........Y
June 1...4...........3
July 1...4...........3
Aug 1....4...........3
Sept 1...4...........3
Oct 1....4...........3
Nov 1....4...........3
Dec 1....4...........3
TOTAL...X+28.......Y+21

Each has 72 at the so
X+28=72
Y+21 = 72
Solve for X and Y.

Answer 2

Thank You!