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Makovka662 [10]
2 years ago
13

In math club, there are 15 7th graders and 25 8th graders What % of the club is 7th graders

Mathematics
1 answer:
tester [92]2 years ago
6 0

Answer:

37.5%

Step-by-step explanation:

15/25+15 *100%= 37.5 %

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Marc ordered a rug. He gave a deposit of 30% of the cost and will pay the rest when the rug is delivered. If the deposit was $75
ra1l [238]

Answer: Marc still owes $175

Step-by-step explanation:

Let x represent the cost of the rug.

Marc ordered a rug and gave a deposit of 30% of the cost and will pay the rest when the rug is delivered. This means that the amount of money that he deposited

for the rug is

30/100 × x = 0.3 × x = 0.3x

If the deposit was $75, it means that

0.3x = 75

x = 75/0.3 = 250

The cost of the rug is $250

The amount that Marc still owes would be

250 - 75 = $175

6 0
3 years ago
The larger of two numbers is 2 less than three times the smaller number. If the sum of the two numbers is 26, find the two numbe
Delvig [45]

Answer:

Step-by-step explanation:

19 and 7

6 0
3 years ago
Abby Mia wants to know how much must be deposited in her local bank today so that she will receive yearly payments of $18,000 fo
muminat
We are not given tables, so will just use the amortization formula.
P=\frac{A*((1+i)^n-1)}{i*(1+i)^n}
where 
P=amount to be deposited today, to be found
A=amount withdrawn each year=18000
i=Annual interest=9%
n=number of years = 20

Substituting values,
P=\frac{A*((1+i)^n-1)}{i*(1+i)^n}
=\frac{18000*((1+0.09)^{20}-1)}{0.09*(1+0.09)^{20}}
=164313.82   to the nearest cent
6 0
3 years ago
123°<br> 18.6 m<br> Area = [ ? ]m?
frutty [35]
To get the area you need to multiply so you would multiply 123° and 18.6 and you would get =2287.8
5 0
3 years ago
Solve for x.<br> ←2x+6<br> X+9<br> x = [?]
Scorpion4ik [409]

Answer:

3

Step-by-step explanation:

A simple way to solve this is by substituting, we start with trying 1 for x, 2+6=8, and 1+9=10. Because the two values are different, that means 1 is the incorrect value. We can try 2, 4+6=10, and 2+9=11, once again inequivalent. We finally try 3, and 6+6=12 and 3+9=12 meaning x must be 3

4 0
1 year ago
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