Answer:
 59F
Step-by-step explanation:
Given parameters: 
Temperature in °C = 15°C 
Unknown: 
Temperature in Fahrenheit scale = ? 
Solution: 
To solve this, we use the conversion equation below; 
 F = (C x 1.8) + 32
C is the temperature in celcius; 
 F = (15 x 1.8) + 32 = 59F