anonymous 4 years ago Use the formula C= 5/9(F-30) to write 86 F degrees Celsius. The answer is 30 degrees Celsius.

1. anonymous

But how?

2. Akshay_Budhkar

${5 \over 9 }(86-30)={5 \over 9}(56)=31.11..$

3. Akshay_Budhkar

so probably that will be the closest rounded answer. but the exact answer is 31.11...