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PLZ HELP If mary bought 12 if the brand X batteries, how many of them lasted less than 15 hours?​

PLZ HELP If mary bought 12 if the brand X batteries, how many of them lasted less-example-1
User RoelVB
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1 Answer

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The answer is 35 batteries. The batteries are the conductors we need to stay alive and make things work
User Per T
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