Answer:
There are 250 berries.
Explanation:
There are 10 berries per 1 orange.
We have 25 oranges.
To find out how many groups of berries to oranges there will be I will divide 25 by 1.


x = Amount of groups
y = Amount of berries per group
z = Amount of berries total.
Substitute values:

There are 250 berries total!