Answer:
She makes 4 batches of biscuits.
Step-by-step explanation:
The number of batches will will be represented by x. The equation is:
75x + 60 = 360
First you subtract 60 from both sides:
75x + 60 - 60 = 360 - 60
75x = 300
Then you divide both sides by 75
75x/75 = 300/75
Simplify:
x = 4