Answer:
I got in my answer that x < 3
Remember that parentheses come first. Follow PEMDAS
Pat's fund earned is $526.40 more than Sam's fund.
Sam's investment :
9400*.052 = 488.80*7 = $3,421.60
Pat's investment :
9400*.06 = 564*7= $3,948.00
$3,948.00-$3,421.60=$562.40
The answer to your question is going to be D. $526.40.
Hope this helps you!!:))