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Mathematics 24 Online
OpenStudy (anonymous):

please help Adele let out 18 meters and 46 cenimeters of string to fly her kite. She then let out 13 meters and 78 cenimeters nore before reeling back in 5 meters and 90 cenimeters. How long was her string after reeling it in

OpenStudy (anonymous):

can u please help me

OpenStudy (anonymous):

thanku

OpenStudy (ranga):

Convert all centimeters to meters first. 100 cm = 1 m

OpenStudy (ranga):

Example: 46 cm = 46/100 m = 0.46m

OpenStudy (anonymous):

okay thanks . if i have another problem can u help me if u can thanks

OpenStudy (ranga):

sure. go ahead and post it here.

OpenStudy (anonymous):

okay thanks

OpenStudy (anonymous):

so what would i do with the 18 because i changed 46 cm into meters and its 0.46

OpenStudy (ranga):

You add them. Initial string length was 18 meters and 46 centimeters = 18.46 meters She let out 13 meters and 78 centimeters more = 13.78 meters She reeled back 5 meters and 90 centimeters = 5.9 meters Now they are all the same units you can easily add or subtract the numbers. So what should be added and what should be subtracted to get the answer?

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

wouldnt you add18.46 and 13.78 then subtract that from5.9

OpenStudy (ranga):

Yes! And what do you get?

OpenStudy (anonymous):

26.34

OpenStudy (ranga):

Good! You can say the answer is 26.34 meters or 26 meters and 34 centimeters.

OpenStudy (anonymous):

thanku for your help i have another questions

OpenStudy (ranga):

go ahead type in the question.

OpenStudy (ranga):

I am answering one other person's question and so I will be back and forth. Don't think I have left.

OpenStudy (ranga):

Hello? Where is the question?

OpenStudy (anonymous):

sorry im coming

OpenStudy (anonymous):

Shyans barel contained 6 liters 775 mililliters of paint. She poured in 1 liters 118 millileters more. the first day shyan used 2 litersd125 milliliters of the paint. at the end of the 2 day there was 1 liter and 769 milliliters of paint remaining. how much did she use on the 2 day

OpenStudy (ranga):

The units are all mixed, that is, liters and milliliters. Convert all of them to liters for easy additions and subtractions. 1 liter = 1000 milliliters For example: 6 liters and 775 milliliters = 6 liters + 775/1000 liters = 6.775 liters. Convert the rest into liters and decide what should be added and what should be subtracted to get the answers they want.

OpenStudy (anonymous):

okay when im done ill let u know what my answer is

OpenStudy (ranga):

ok, when you reply here I will get a notification and I will stop by to check your answer.

OpenStudy (anonymous):

okay

OpenStudy (anonymous):

7.537

OpenStudy (ranga):

Could you type in the numbers you added and subtracted?

OpenStudy (anonymous):

i added 6.775 + 1.118- 2.125+1.769

OpenStudy (ranga):

The first three parts are correct. 6.775 + 1.118- 2.125 is how much paint is remaining at the beginning of the second day. At the end of the second day there was 1.769 remaining. So it has to be subtracted (not added) to figure out how much paint was used on the second day.

OpenStudy (anonymous):

i got 3.999

OpenStudy (ranga):

Yes. The answer is either 3.999 liters or 3 liters and 999 milliliters.

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