The correct answer is d. $263
Eric worked 40 hours, gaining $3.20 per hour. Then:
40 hours * $3.2 = $128
Also he made tips for $25, $20, $40, $30 and $20. To get the total from tips, we add all them up:
25 + 20 + 40 + 30 + 20 = $135
The toal earning is
$128 + $135 = $263