Answer: CHF 1.18 Swiss Franc
Step-by-step explanation:
If one Swiss franc (CHF) can purchase $0.85, this means that the Swiss franc is weaker than the dollar as it can only buy less than 1 dollar per Swiss franc.
If one Swiss Franc is to $0.85, one $1 will be;
= 1/0.85
= 1.18 Swiss Franc