One grade of tea worth $3.90 per pound is to be mixed with another grade worth $2 per pound to make 20 pounds that will sell for $2.76 per pound. How much (in lb) of each grade of tea must be used?

lb

$3.90 tea= lb

$2 tea= lb

Select the number of ways in which a line and a circle can intersect

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

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