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plus you can brainlist! plus 10 points

1. Out of the 60 cookies, she sold 2/3 of them, leaving her with 1/3 of them.  1/3 * 60 = 20 cookies. Out of those, she gave 3/4 away, leaving her with 1/4 of them. 1/4 * 20 = 5 cookies.

2. Out of 30 cupcakes, 1 - 1/5 = 4/5 of them will not have mint icing. 4/5 * 30 = 24 cupcakes. From those, 1 - 1/2 = 1/2 of them will not have chocolate frosting. 1/2 * 24 = 12 cupcakes remain.

3. Out of 240 burgers, 3/4 does not have pickles, and out of that, 1/2 does not have onion, thus the remainders will have tomatoes. 3/4 * 240 = 180, 1/2 * 180 = 90 burgers.

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step-by-step explanation: