The star Alpha Centauri is approximately 40653230000000 kilometres from earth,write this number in standard form to 3 significan
1 answer:
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Answer:
1183
Step-by-step explanation:
Common difference:
d = 31 - 15 = 16
nth term:
Here,
Answer:
62.5%
Step-by-step explanation:
We can write a proportion. We know that $50 is the original value and $80 is the marked up price. We don't know the marked up percentage. Let's call it x. We write equal ratios of comparing percent and
comparing the 50 to the marked up price. We then set them equal.
We then cross multiply across the equal sign from numerator to the opposite numerator.
80(x)=50(100)
80x=5000
We divide to find x.
x=62.5
This means the bicycles are marked up 62.5% and the original value is 37.5%.