382 3/10 - 191 87/100=math difficulties please answer this question

Answers

Answer 1

Answer: $382(3)/(10)-191(87)/(100)=\ \ \ | make\ a\ common\ denominator\n\n382(30)/(100)-191(87)/(100)=\n\n381(130)/(100)-191(87)/(100)=190(130-87)/(100)=190(43)/(100)\n\nSolution\ is\ 190,43.$

Answer 2

Answer: first you need to find a common denominator , which is 100 . so multiply 3/10 by 10 with both the numerator and denominator. So your new equation should be 382 30/100 - 191 87/100. Even though 382 is larger than 191 , 3/100 is still less than 87/100. So what i do is cross out the first/whole number and then add the denominator. so i change it to look like this....

381 130/100 - 191 87/100

this way its still the same fraction but it will be easier to subtract

so first subtract 381 and 191 which equals 190
then subtract the fractions 130/100 - 87/100 which equals 47/100

so your final answer is 190 47/100

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Answers

is there any more detail to the question

What times what will give me 30

Answers

What times what will give me 30
the answer is 6x5

5*6=30 because I did it in my head and I know how to multiply.

500 people fill up 4/9 of the hall. What is the seating capacity of the hall?

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the answer would be 1125 because you have to divide 500 by 4 then multiply it by 9

If 4/9 of the hall hold 500 people, then 1/9 of the hall holds 125 people.
Times that by 9 and you have your answer which is 1125 people.

Explain how you would find the sum 46+7

Answers

1. You would set them up:46+7

2. Next you would do 6+7 which equals 13

3. You would then bring down the 4

4. And last you get the answer:53

Hope this helped you!

6 and 7 is 13 so you would re-group 1 and leave the 3 and 4+1 is 5 so that would be 53

1/2 2/4 3/6 What do you notice about the ratios?

Answers

if you were to simplify them, they would all equal 1/2
1/2=1/2
2/4=2/2 times 1/2=1 times 1/2
3/6=3/3 times 1/2=1/2
they all are ratios of 1 to 2

The first thing i noticed was that each ratio began from adding one each time. the second part began from the 2's table.
Also these ratios are equal ratios.
,Therefore 3 2 1
6 , 4 , 2 are all equal ratios

if there are 65 boys in a classroom and the ratio of boys to girls is 13:15, how many students are in the class?

Answers

There are 65 boys, and the boy ratio is 13: so to find how they got that, divide 65 by 13 and that is 5. Since we now know it is the amount of people, divided by 5, we can take the girl ratio (15) and multiply it by 5 to get the amount of girls (which is 75). You need to find the total amount of students in the class so add the boys and girls (65+75) and get 140 total students

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