Answer:
30*r+5*1.4r=436.6
30r+7r=436.6
37r=436.6
r=436.6/37
r=11.8
r=$11.80 is Julio's normal rate
1.4*11.80=$16.52
30*$11.80+5*$16.52=$354+$82.60=$436.60
Explanation:
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