Uki owns a bakery. She sells cupcakes at $1.50 each, cookies at $2 per packet, and biscuits at $1 per packet. In a day, she can bake an average of twenty cupcakes, ten packets of cookies, and twenty packets of biscuits.  How much will be her total earnings for five days?
Please reason step by step, and put your final answer within \boxed{}.
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