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1 4 Clue
JENNIE IS 12 YEARS OLD. LET X BE JENNIE'S AGE. WE CAN COME UP WITH THE EQUATION: X + 2 = 2(X - 5) SOLVINGO FOR X GIVES 12. IN 2 YEARS TIME, JENNIE WILL BE 14 YEARS OLD. FIVE YEARS AGO, JENNIE WAS 7 YEARS OLD - HALF OF 14 IT WOULD BE 9:00 PM. THERE ARE 12 HOURS BETWEEN 1:00 PM AND 1:00 AM AND HALF OF THAT IS SIX HOURS. HALF-WAY BETWEEN WOULD BE 7 O'CLOCK. TWO HOURS LATER IT WOULD BE 9:00 O'CLOCK THE TIME IS 9PM (OR 21:00 HOURS) RIGHT NOW. THERE ARE 12 HOURS BETWEEN THE 2 TIMES (1PM AND 1AM), AND HALF OF THAT TIME IS 6 HOURS. SO, THE HALFWAY MARK WOULD HAVE TO BE 7PM (1PM + 6 HOURS). IF IT WAS 7PM TWO HOURS AGO, THE TIME WOULD BE 9PM NOW DANIEL IS 7 YEARS OLD AND JESSICA IS 4 YEARS OLD. LET X BE THE FATHER'S AGE. SO DANIEL'S AGE IS: X/5 IN 21 YEARS: 21 + X = 2(X/5 + 21) SOLVING FOR X WILL GIVE 35. SINCE DANIEL'S AGE IS X/5: 35/5 = 7 LET Y BE JESSICA'S AGE. SO MOTHER'S AGE IS: 7Y IN 8 YEARS: 7Y + 8 = 3(Y + 8) SOLVING FOR Y WILL GIVE 4