Answer:
16 batches is the answer.
Step-by-step explanation:
Amount of semolina flour used for 1 batch of pasta =
pounds
Amount of wheat flour used for 1 batch of pasta =
pounds
Total amount of flour used = 
=
pounds
Let the number of batches made during the week be = b
A total of 86 pounds of flour is used in a week to make 'b' batches
b=
b = 16
Hence, a total of 16 batches are made in a week.