jazzzzhands21
07.10.2019 •
Mathematics
Pl 30 points if right a bag contains 5 red marbles, 3 green marbles and 2 blue marbles. what is the probability of randomly selecting a blue marble out of the bag?
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Ответ:
Step-by-step explanation:
Probability is expressed as a fraction where the numerator is the number of desired outcomes and the denominator is the total number of outcomes. Since there are 10 total marbles and 2 of them are blue, the probability of randomly selecting a blue marble is:
or 20%
Ответ:
She could purchase from stores A, D and E.
Step-by-step explanation:
She needs 8 cups so I multiplied each price by 8;
Store A 0.49(8)=$3.92
Store B 0.51(8)=$4.08
Store C 0.55(8)=$4.40
Store D 0.48(8)=$3.84
Store E 0.45(8)=$3.60