In a lab experiment, 60 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to double every 12 hours. How long would it be, to
the nearest tenth of an hour, until there are 151 bacteria present?

answer: a. 74

step-by-step explanation:

it shows divided evenly, so add the 37+37 = 74

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

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