Problema Solution
in eight years, mrs. perez will be 4 years more than three times as old as her grandson eight years ago she was six less than six times as old as her grandson. how old is mrs. perez now?
Answer provided by our tutors
Let
x = the age of Mrs. Perez
y = the age of the grandson
x + 8 = 4 + 3*(y + 8)
x - 8 = 6*(y - 8) - 6
By solving the equation we find
x = 86 years
y = 22 years
Mrs. Perez is 86 years old now.