Please help I will mark brainliest
1 answer:
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so.. whatever "x" and "y" amounts are, we know that, added together, they must yield 14lbs
thus x + y = 14
and whatever the cost of each is, 7x + 4y must be 14*5
7x+4y = 70
thus
solve for "x", to see how much of the $7/lb type will be needed
what about the $4/lb one? well, y = 14 - x
Answer:
Step-by-step explanation:
Since, the total number of contestant = 7,
Thus, the probability that out of 3 contestant, me and my friend is chosen
=
=
=
=
⇒ Third Option is correct.