Answer:
3.4375 pounds is the weight of the oranges Tyler bought.
Explanation:
Tyler bought 
 pounds of oranges.
 pounds of oranges.
That means he purchased 3 pounds plus a fraction of one pound of oranges.
We can rewrite the weight as 3 pounds + 
 pounds
 pounds
Now the fraction can be written in decimals as 
 = 0.4375
 = 0.4375 
Therefore, the weight of oranges will be 
3 + 0.4375 = 3.4375 pounds