Posted by Patty on Thursday, January 16, 2014 at 8:15pm.
The market sold 24 heads of lettuce one morning. That afternoon 2/7 of the remaining heads of lettuce were sold. The number of heads left now was 1/2 of ye numbet the market haf at the beginning of yhe day. How many heads of lettuce were there at the beginning of the day.

Math  Henry, Thursday, January 16, 2014 at 10:35pm
X Heads to start with.
(X24) = Bal.
(X24)  2/7(X24) = 5/7(x24).
5/7(X24) = X/2
Multiply both sides by 14:
10x240 = 7x
3x = 240
X = 80 Heads of lettuce. 
Math  Kyle, Monday, March 10, 2014 at 5:16pm
I don't get this too, can you help me too? Im a fifth grader too so I cant do Algebra.