Last Updated on May 5, 2023
GMAT OFFICIAL GUIDE PS
Solution:
We start by substituting 290 for T and we obtain:
290 = 5/9(K – 32)
To eliminate the fraction, we multiply the entire equation by 9 and we have:
290 x 9 = 5(K – 32)
We next divide both sides by 5 and then solve for K:
58 x 9 = K – 32
522 = K – 32
554 = K
Answer: D