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aliina [53]
3 years ago
9

How do I do this problem?

Mathematics
1 answer:
Oduvanchick [21]3 years ago
8 0
4b+18\leq-12b-14\leq14-5b\\4b+18\leq-12b-14\,and\,-12b-14\leq14-5b\\4b+12b\leq-14-18\,and\,-14-14\leq-5b+12b\\16b\leq-32\,and\,-28\leq7b\\b\leq-\frac{32}{16}\,and\,-\frac{28}{7}\leq b\\b\leq-2\,and\,b\geq-4\\-4\leq b \leq-2
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emmasim [6.3K]
(3c+s)(100-20)/100=100  multiply both sides by 100

(3c+s)80=10000  divide both sides by 80

3c+s=125  subtract 3c from both sides...

s=125-3c....now let's look at the second situation...

(4c+2s)(100-40)/100=120  multiply both sides by 100

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6 0
3 years ago
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Find the interest accumulated from $100 dollars, with a 5% interest rate per month, for 2 months.
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