math
posted by Lucy .
marc bought bananas, apples, and peaches. He bought twice as many lbs of bananas as apples, he bought 2 lbs more of apples than peaches and bought 3 lbs of peaches. How many total lbs of friuts did he buy?

Yo0u don't even need algebra for this. Just read the statememnts.
There are 3 pounds of peaches and two more than than (5) of apples. Double that for the number of bananas. Then add them up.
This is more about reading comprehension than math. 
18

20 pounds

20