There are 267 students and 21 adults going on a school trip an equal numberof peoplebwill ride on each bus.if there are 9 buses
2 answers:
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Answer:
you need 100ml of 5X TAE and 400ml of water.
Step-by-step explanation:
You need to use a rule of three:
where:
and
Therefore:
Then just rest the TAE volume to the final Volume and you get the amount of water that you need to reduce the concentration.