$62,342 is the salary earned by Ava.
Explanation:
step 1 :
Xavier's salary = $42,700
step 2 :
Ava's salary = 46% higher than Xavier salary.
= 100% of Xavier salary + 46% of Xavier salary
= 146% of Xavier salary
step 3 :
Ava is earning a salary = (146/100)
42,700
= 146
427
= 62,342
∴ Ava is earning a salary of $62,342.