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yuradex [85]
3 years ago
8

Give three examples of how percents are used in the real world????

Mathematics
2 answers:
horsena [70]3 years ago
6 0
When you go to stores and it advertises 25% off or something like that is a big one. tipping 15% or 20% is another application. a third would maybe be the interest you earn on a bank account??
Temka [501]3 years ago
3 0
Tax rate, tipping percent (how much you tip the waiter/waitress based on the price of the meal), and elections or other voting events most of the time go by a percent of people who voted. Hope this helped.
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Jane addresses twice as many envelopes as Louis in the same amount of time. Together their dress 360 envelopes each day. How man
Flauer [41]
Louis = x
Jane = 2x (Twice as many as Louis)
Together they have 360
x + 2x = 360
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3 years ago
A certain hurricane travels at 20.88 kilometers per hour. The distance from Cuba to Key West is 145 kilometers. Write and solve
anyanavicka [17]
V = 20.88 km / h  ( velocity )
d = 145 km ( distance )
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t = d / v  ( time )
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Andre’s school orders some new supplies for the chemistry lab. The online store shows a pack of 10 test tubes costs $4 less than
navik [9.2K]

10t = b - 4

12b+8t = $348

This is a system of equations. I’ll be solving through substitution.

In the first equation. solving for b (the easier variable to isolate) gives you:

b = 10t + 4

Substitute this into the second equation:

12(10t+4) +8t = 348

120t+48+8t = 348

128t = 300

t = 2.34375 —> round it to the nearest cent to get 2.34 dollars

b = 10t+4

b = 10(2.34)+4

b = 27.4 dollars

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Answer: The Answer is 10

Step-by-step explanation:

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