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mylen [45]
2 years ago
8

The population of a city is expected to increase by 7.5% next year. If p represents the current population, which expression rep

resents the expected population next year?
Mathematics
2 answers:
Elodia [21]2 years ago
7 0
p+0.075p=1.075p
Alexeev081 [22]2 years ago
5 0
100% represents the current size. To work out the new size, you add the percentage increase - this gives 107.5%

"per cent" means "per hundred" and is a ratio.

To work out the new value for p you multiply it by 107%.

To find a percentage, you multiply the the "percent" ratio and then divide by 100.

So 100% of p is: p * 100 / 100  (you can see here that 100/100 = 1, so the value is unchanged).

107% of p will be: p * 107 / 100


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Twice the sum of two numbers is 24. if one number is 2 times larger than the other, what is the smaller of the two numbers?
Vikki [24]
2(x+y)=24
2x=y

Use substitution. If y=2x, than we can substitute 2x for it in the other equation, because x and y equal the same things in both equations. 

So using that we get 2(x+2x)=24

SIMPLIFY
2(3x)=24

DISTRIBUTE
6x=24. 

DIVIDE: x=4.

If we substitute x into the original equations we get x=4 and y=8. Those are your two numbers. 

Have a nice day! :)


4 0
2 years ago
e greater roadrunner bird can run 14 miles per hour. at’s 7 times faster than an ostrich can walk. How fast does an ostrich walk
ExtremeBDS [4]
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3 0
3 years ago
There are 4 boxes of cookies each box holds 8 cookies how many childrrn can be served 2 cookies each
REY [17]
The answer would be 16.
 

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6 0
3 years ago
Read 2 more answers
Please need this answer fast it is the last piece to my pie chart for math!!!! A catering service offers 3 appetizers, 5 main co
Brut [27]
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We can then combine them into a single equation to find the answer:

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Hope it helps!
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