Answer:
x3=y
Step-by-step explanation:
1
(a) The total cost, C, is given by:

b) With 3 ounces of toppings, we have


Hence Evan's ice cream would cost $4.50
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50+5x=total profit. To get 10% of 50 you would multiply .1x50= 5. X would be the amount of days past so 10th day = $100 total but $50 profit and 30th day = $200 total but $150 profit