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(If you are working with metric measures go here
)
On the table there is a pile of oranges and lemons that weighs exactly two and a half pounds.
Lemons and Oranges
Age 7 to 11
Challenge Level 
(If you are working with metric measures go here
)On the table there is a pile of oranges and lemons that weighs exactly two and a half pounds.
The oranges all weigh $4$ oz. The lemons are also all the same weight, which is less than $\frac{3}{4}$ of the weight of an orange.
There are twice as many lemons as oranges in the pile.
How many lemons are there and how much does each one weigh?
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