Anita can clean a typical pool in 8 hours. Chao can clean a typical pool in 6 hours. How long should it take Anita and Chao working together to clean a typical pool?

Answers

Answer 1
Answer:

Work and time are inversely proportional to each other. Then the time taken by Anita and Chao will be 3 hours and 26 minutes.

What are ratio and proportion?

A ratio is an ordered set of integers a and b expressed as a/b, with b never equaling 0. A proportional is a mathematical expression in which two things are equal.

Anita can clean a typical pool in 8 hours.

Chao can clean a typical pool in 6 hours.

Work and time are inversely proportional to each other. Then we have

Let x be the time taken.

1/x = 1/6 + 1/8

1/x = 7 / 24

  x = 24 / 7

  x = 3 hours and 26 minutes

More about the ratio and the proportion link is given below.

brainly.com/question/14335762

#SPJ2

Answer 2
Answer: This kind of problems requires to add the working velocities. The total velocity is the sum of the individual velocities.

Anita's velocity = 1 pool/8 hours
Chao's velocity = 1 pool/6 hours

Combined velocity 1/8 + 1/6 = (3 + 4)/24 = 7/24 pool/hour

Time = 1 pool / (7/24) pool/hour = 24/7 hour =3.43 hours

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What is the exact area of a circle with a diameter of 18 feet

Answers

the exact answer is in the file below
Use the formula A= 3.14 (pi)r² 
*R is radius*

A=3.14(9)²

A=3.14(81)

A= 256.34

Hoped this helped.

~Bob Ross®

Clarence is visiting his friends in Germany. Which currency will he use to pay for souvenirs?

Answers

He will use Euros because Euros are the official currency used in countries of the European Union, and Germany is a country of the European Union and uses Euros.

Answer:

Euros

Step-by-step explanation:

Plzz visit my profile and help me with my questions.

.If two checks were written and one deposit was made into an account in one day, the account’s ending balance on that day ____________ its starting balance on that day.

cannot be less than

must be less than

might be less than

none of the above

Answers

Balance in account cannot be less than

Answer:

might be less than

Step-by-step explanation:

if your here from the quiz that's the right answer

Why is the interest rate of a loan one of the most important things to consider when shopping around for loans?a.
The interest rate should be ignored, because there’s nothing a consumer can do to change it.
b.
The interest rate is essentially how long you have to pay off your loan, and the shorter the better.
c.
The interest rate can drastically change the total amount paid to the lender, in the case of mortgages, up to thousands of dollars.
d.
The interest rate does not change, even between banks, so choosing the right time to borrow is essential.

Answers

Answer:

The correct answer is c.  The interest rate can drastically change the total amount paid to the lender, in the case of mortgages, up to thousands of dollars.

Step-by-step explanation:

The formula of interest is A=P (1+r)ⁿ

A=Final amount  

P= Principal ( deposit)  

r= interest rate

n= time

As we can see,  interest rate will be added to the final amount.  If the interest rate is higher ,  higher will be the amount.  So,  it is an important issue when you are evaluating a loan.  

i think c because it is right i think

The ratio of money in Terry's bank account to Faye's bank account was 3:5.Terry then put £220 in his account and Faye withdrew £300 from her account.
They now had the same amount in their accounts.
How much did they initially have altogether?

Answers

Answer:

£780 and £1300

Step-by-step explanation:

The ratio in their accounts is 3 : 5 = 3x : 5x ( x is a multiplier )

Terry put £220 into his account, then 3x + 220

Faye withdrew £300 from her account then 5x - 300

They now have the same amounts in their accounts, thus

5x - 300 = 3x + 220 ( subtract 3x from both sides )

2x - 300 = 220 ( add 300 to both sides )

2x = 520 ( divide both sides by 2 )

x = 260

Thus initial amount in their accounts

3 × £260 = £780 ← Terry's account

5 × £260 = £1300 ← Faye's account