I need help with all of these questions can you help pls

Answers

Answer 1

Answer: For 3) 6/10 times 18
6/10 times 18/1 = 108/10= 54/5 or 272.5

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the ratio of adults to children in a library is 5:6. if there are 102 children in the library, how many people are there in the library altogether?

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My way of obtaining this answer is this. I need to find out how many times 6 children divide into 102. I take this number and times it by the 5 adults to obtain the amount of adults in this ratio. So, 102 divided by 6 is 17. 5 x 17 is 85. The answer is 85:102. 85 adults to 102 children.

To determine the total number of People in the library, we can use the given ratio of adults to children. By setting up an equation and solving for the number of adults, we find that there are 25 adults. Adding this to the number of children gives us a total of 127 people in the library.

To find out how many people are there in the library altogether, we need to determine the total number of adults. We can do this by using the given ratio between adults and children. The ratio of adults to children is 5:6, which means that for every 5 adults, there are 6 children.

Since we know that there are 102 children in the library, we can use this information to calculate the number of adults. The ratio tells us that there are 6 children for every 5 adults. Therefore, we can set up the equation: 6 children = 5 adults. To solve for the number of adults, we can multiply both sides of the equation by 5/6: 6 * 5/6 = 5 adults * 5/6. This simplifies to: 5 = 25/6 adults.

To convert this fraction into a whole number, we can multiply both sides of the equation by 6: 5 * 6 = 25/6 * 6. This gives us: 30 = 25 adults. Now that we know there are 25 adults and 102 children in the library, we can determine the total number of people by adding these two numbers together: 25 adults + 102 children = 127 people. Therefore, there are 127 people in the library altogether.

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What is the fraction 36/80 expressed in lowest terms?

Answers

Reduce the expression by cancelling the common factors.
9/20

Exact Form:
9/20

Decimal Form:
0.45

Look for common factors and divide them out of both numerator and denominator at the same time.
You know they're both divisible by 2, so you can simplify to 18/40.
As you can see, both numbers are still divisible by 2, so you can go down to 9/20.
At this point, they have no common factors, so the fraction is in lowest terms.

Nan rode the Roller coaster 8 timea, which was twice as many as she rode the farriers wheel

Answers

8=2x
x=4
Nan rode farriers wheel 4 times

So the trick is when you hear times two that means that you have times two to in this sample eight. So 8*2=16

How do you solve this problem 19 1/6 - 14 1/3

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= 115/6 ÷ 43/3

= (115 × 3) / (43 × 6)

= 345/258

= 115/86

= 1 29/86

Jbennet is coorrect I actually had this question

Is 11/20 closest 1/2 0 or 1

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it closest to 1/2 because 11/20 is 0.55 and 0.55 is close to 1/2 which is 0.5

Convert 4/5 to a decimal

Answers

The answer is 0.8 because you can do 4÷5=0.8

0.8 is the form for the decimal