Answer:
We conclude, Mohammed's opportunity cost knitting one sweater is 48 cookies.
Step-by-step explanation:
We have that Mohammed can knit 5 sweaters or bake 240 cookies.
In one week Aisha can knit 15 sweaters or bake 480 cookies.
We calculate how much is Mohammed's opportunity cost knitting one sweater. We get
\frac{240}{5}= 48.
We conclude, Mohammed's opportunity cost knitting one sweater is 48 cookies.