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nekit [7.7K]
3 years ago
11

You buy bottled water in 12- packs that cost $3 each. If u drink 3 bottles per day , what is your cost per week?

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0
Cost of bottles that come in packs of 12 = 3 dollars
It is already given in the question that i drink 3 bottles per day. So the cost of 3 bottles has to be determined first and then the number of bottles that is drunk in a week also has to be determined. after that the cost per week can be easily determined.
Number of bottles drunk per day = 3
So
The number of bottles drunk in a week = (3 * 7) bottles
                                                               = 21
Now 
Cost of a pack of 12 bottles = 3 dollars
Then
Cost of 1 bottle = (3/12) dollars
                         = (1/4) dollars
                         = 0.25 dollars
So
The cost of 21 bottles = (21 * 0.25) dollars
                                    = 5.25 dollars
 So the cost per week as determined above is $5.25.            
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neonofarm [45]

Answer:

2.25 divided by 0.6 : Yes and 5.2 divided by 8, 3.63 divided by 3, 71.1 divided by 9 : No

Step-by-step explanation:

We have that when two numbers are divided, they can be written in the form \frac{p}{q}, where p is the dividend and q is the divisor.

Now, when we divide 5.2 by 8, we can write \frac{5.2}{8}

Also, the division 3.63 by 3, can be written as \frac{3.63}{3} = 1.21

Further, when we divide 71.1 by 3, we can write \frac{71.1}{3} = 23.7

We can see that above divisions are easy divisions and do not require to write any type of 0 in the numerator.

Moreover, when we divide 2.25 by 0.6, we can write \frac{2.25}{0.6} = \frac{2.25\times 10}{6}.

So, we get that in the last division, we need to write a zero in order to multiply the numerator with 10 for easy division.

Hence, 2.25 divided by 0.6 : Yes and 5.2 divided by 8, 3.63 divided by 3, 71.1 divided by 9 : No

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