Write what the variable n represents in each expression.
L. Lisa can run the 100-yard dash 5 seconds faster than Jerry. Lisa's time is n-5
seconds.
M. Pedro is 3 times younger than his father. Pedro is n + 3 years old.
N. Lucia has $10.00 less than her sister. Lucia has n-10 dollars.
O. Jack is 2 times taller than his younger brother. Jack is 2 x n inches tall.