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Serjik [45]
3 years ago
13

Water hose has filled up 1/7 of a pool after 1/10 of an hour at this rate how many hours will it take to fill the pool

Mathematics
2 answers:
expeople1 [14]3 years ago
4 0

Given that

time required to filled 1/7 of pool = 1/10

so time required to fill  1 pool = 1/10 ÷ 1/7 = 1/10 × 7 = 7/10 hrs

So 0.7 hrs will require to fill the pool at given rate

Lynna [10]3 years ago
4 0

Answer:

It takes   \frac{7}{10}  of an hour to fill the pool

Step-by-step explanation:

Let x be the number of hours taken to fill the pool.

Using proportion;

1/7 pool=   1/10 hour

1    pool   =   x

cross-multiply

1/7     x   =  1/10

\frac{x}{7}   =   \frac{1}{10}

cross- multiply

10x = 7

Divide both-side of the equation by 10

\frac{10x}{10}      =    \frac{7}{10}

(On the left-hand side of the equation 10 at the numerator will cancel-out 10 at the denominaor while at the right-hand side of the equation 7 will be divided by 10)

x =  \frac{7}{10}  of an hour

It takes   \frac{7}{10}  of an hour to fill the pool

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A company's revenue function and cost function are as follows: R(x) = 0.55x and C(x) = 10 + 0.05x. What is the minimum number of
Oduvanchick [21]

Answer:

Minimum number of units sold to make profit is equal to 20

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