CPM Homework Help : MC2 Problem 8-55

Last year a bonsai lemon tree grew half as much as a dwarf lemon tree. A full size lemon tree grew three times as much as the dwarf lemon. Together the three trees grew $9$ inches. Write and solve an equation to determine how much each tree grew. Make sure you clearly identify your variable.

Hint:

Create a variable expression using the information given in the problem.

More Help 1:

Try relating each tree to the dwarf lemon tree. How can each tree be represented if the dwarf lemon tree is $x$ ?

More Help 2:

Full size lemon tree: $3x$
Bonsai lemon tree: $0.5x$

Answer:

$x + 0.5x + 3x = 9$
Bonsai tree grew $1$ inch.
Dwarf tree grew $2$ inches.
Full size tree grew $6$ inches.