How many ml of 60 percent acid should be added to pure acid to make 50 ml of 85 percent acid.

18.75

Step-by-step explanation:

60x+5000-100x=4250

5000-40x=4250

750=40x

75=4x

x=18.75

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answer:

step-by-step explanation:

here, the total dishes = 10

dishes having meat = 3 ( chicken, meatloaf and hamburger )

thus, the probability of having meat on the chosen dishes = number of dishes having meat / total dishes

=

therefore, the probability of not having meat = 1- the probability of having meat on the chosen dishes

=

=

=

⇒ option b is correct.