Answer:
77°F
Step-by-step explanation:
You are given 25° as the temperature in celsius, so first replace the C in the equation with 25. You should get:

Next, multiply 9/5 (or 1.8, they're the same thing) with 25. You should get 45.
Lastly, add 32 to 45. The sum is 77.
You're finished simplifying the equation, so the answer is 77°F.
Hope this helps!