Answer:
18
Step-by-step explanation:
First find out how many oranges he used to make the orange juice.
3/5 = 0.6
(45)(0.6)
27
He used 27 oranges to make the juice.
Now we can figure out how many oranges he has left.
45 - 27
18
Matthew has 18 oranges left.
Hope this helps!
