Plastic cups come in packages of twenty, and lids come in packages of eight If you want to end up with the same total number of cups as lids, what is the smallest total number you should buy?
160 or
40 or
120 or
80
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40(LCM of 8 and 20) will be the minimum no. of lids and cups each you can buy to have the same no. of lids andc ups.
therefore, the total will be 40 cups + 40 lids = 80 in total.
80 is the answer
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