9 more years Tony will be 16 Mr Jacob will be 64 16x4=64
x − ye a rs 55 + x = 4 ( 7 + x ) 55 + x = 28 + 4 x 3 x = 27 x = 9 A n s w er : M r . J a co b s w i ll 64 ye a rs .
Mr. Jacob will be 4 times as old as Tony in 9 years. At that time, Mr. Jacob will be 64 years old and Tony will be 16 years old. This was determined by setting up an equation based on their future ages and solving for the number of years needed.
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