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Papessa [141]
3 years ago
8

Suppose that 4% of the 500 athlete in a major meet have actually taken performance enhancing drugs, and all athletes are given t

he drug test
Mathematics
1 answer:
BaLLatris [955]3 years ago
6 0

Answer:

20 athletes have taken performance-enhancing drugs.

Step-by-step explanation:

Assuming that you want to find the number of athletes that have taken drugs, multiply 4% (0.04) by 500.

4%=4/100=1/25

1/25*500=20, 20 athletes have taken performance-enhancing drugs.

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mrs. johnson gave a sum of money to her son and daughter in the ratio 5:6. Her daughter received $2400. how muh did Mrs. Johnson
Tresset [83]
To find the total amount Mrs. Johnson gave away, you need to know how much she gave the son.  Because the ratio of the money given is 5:6, the amount of money he received has to be 5/6 of the money the daughter received.

So, the son received 5/6 of 2400.
To find this, multiply 5/6 x 2400 to get 2000.

The daughter received 2400 and the son received 2000, so the total amount Mrs. Johnson gave away is 4400 dollars.
4 0
3 years ago
Is 4-6x=4 no solution
Basile [38]
No it has a solution
X=0

Subtract 4 from both sides to get -6x=0
Divide by -6 on both sides you get x=0
4 0
3 years ago
Read 2 more answers
8 star fruit cost $16. How many star fruit can you buy for $8?
kompoz [17]

Answer:

4 star fruit.

Step-by-step explanation:

16/8 = 2

each star fruit is 2 dollars

so 8/2 = 4

you can buy 4 star fruit for 8 dollars.

5 0
2 years ago
Read 2 more answers
Item 11
zhannawk [14.2K]

Answer:

Amount\ of\ sales=\$ 6000

Step-by-step explanation:

Let\ total\ sales=x\\\\Commission=3\%\ of\ total\ sale\\\\Commission=3\%\ of\ x\\\\It\ is\ given\ that\ salesperson\ gets\ \$ 180\ as\ commission.\\\\3\%\ of\ x=180\\\\\frac{3}{100}x=180\\\\x=\frac{180\times 100}{3}\\\\x=60\times 100\\\\x=6000\$\\\\Amount\ of\ sales=\$ 6000

8 0
3 years ago
What is 3x+5=-9 in slope intercept form
Nata [24]

Answer:

x=-14/3

Step-by-step explanation:

3x+5=-9

3x=-9-5

3x=-14

x=-14/3

4 0
2 years ago
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