A bracelet was marked up $50 from cost, which amounts to a 20% increase. Find the original cost of the bracelet.
2 answers:
Answer:
The original cost of the bracelet was $250.
Step-by-step explanation:
A bracelet was marked up $50 from cost, which amounts to a 20% increase.
Let the original cost be x.
We can understand in simpler terms that 20% of x is $50.
So, we can find x.
x = 250
Hence, the original cost of the bracelet was $250.
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Answer:
The tree diagram is shown in the tree diagram is shown.
If the probability to hit is 0.7, then the probability to miss is 0.3.
P(hit, hit) = 0.7*0.7 = 0.49
P(hit, miss) = 0.7*0.3 = 0.21
P(miss, hit) = 0.3*0.7 = 0.21
P(miss, miss) = 0.3*0.3 = 0.09
