Last month, Margo bought a tree that grows 2.5 \text{ cm}2.5 cm2, point, 5, start text, space, c, m, end text each day. It was 5 \text{ cm}5 cm5, start text, space, c, m, end text tall when she bought it and now it is 65 \text{ cm}65 cm65, start text, space, c, m, end text tall. Write an equation to determine the number of days (d)(d)left parenthesis, d, right parenthesis Margo has owned the plant.
Find the number of days Margo has owned the plant.