Answer:$552.5
Step-by-step explanation: If Jane uses $68 more the two-fifths of her check pay to buy surfboard that cost $289, then we can translate it as
$68 + 2/5 of x = $289
$68 + 2/5 × x = $289
$68 + 2x/ 5 = $289
2x/5 = $289 - $68
2x/5 = $221
2x = $221 × 5
2x = $ 1105
x = $ 552.5