So I have no idea how this even works so yeah can somebody please help me

Answers

Answer 1

Answer:

I'll do the first one to get you started.

We want to compare the two fractions 3/4 and 7/8. For now, let's assume they are equal. Chances are they aren't, but we'll assume they are until we know otherwise.

So we have this equation 3/4 = 7/8

Let's cross multiply to get 3*8 = 4*7. Check out the attached image to see what I mean about "cross multiply" if you're not sure.

The equation 3*8 = 4*7 turns into 24 = 28 after you simplify each side. Clearly both sides aren't the same so the equation is not true. Meaning that the original equation 3/4 = 7/8 is not true. The right side of 24 = 28 is larger, so the right side of 3/4 = 7/8 is larger

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Here's how it looks like listed out

3/4 = 7/8

3*8 = 4*7

24 = 28

The right side is larger, so we must change all the equal signs to less than signs

3/4 < 7/8

3*8 < 4*7

24 < 28

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So that is why 3/4 is less than 7/8

Alternatively, you can use your calculator to find that 3/4 = 0.75 and 7/8 = 0.875; comparing 0.75 and 0.875, we see that 0.875 is larger. Therefore 7/8 is larger.

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Final Answer: A less than sign

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Answer:Six hours and Twenty minutes.

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Six groups of students sell 162 balloons at the school carnival there are 3 students in each group if each student sells the same number of balloons how many. Balloons dose each student sell ?

Answers

so, there are six groups of 3 students each. This means that there are 18 students in total.

Each of these students sells the same about of balloons: so we can divide the total number of sold balloons; 162 by 18:

$(162)/(18)= (81)/(9)=9$

which means that each student sold 9 balloons!!!

Each student sell $\boxed{9{\text{ balloons}}}$ if there are six groups of 3 students.

Further Explanation:

Explanation:

Six groups of students sell 162 balloons at the school carnival.

There are 3 students in each group.

Each student sells the same number of balloons.

The total number of students can be obtained as follows,

$\begin{aligned}{\text{Number of students}} &= 3 * 6 \n&= 18 \n\end{aligned}$

Number of balloons each student sell can be obtained as follows,

$\begin{aligned}{\text{Number of balloon}} &= \frac{{162}}{{18}}\n&= 9\n\end{aligned}$

Each student sell $\boxed{9{\text{ balloons}}}$ if there are six groups of 3 students.

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Answer details:

Grade: High School

Subject: Mathematics

Chapter: Fraction and Ratio

Keywords: six groups, groups, students, sell, six, 162 balloons, school, carnival, 3 students, each group, school carnival, same, number of balloons, student sell, many balloons, 3 students in a group.

Three-quarters of the 24 pies at the bakery or pumpkin pie how many pies are pumpkin

Answers

3 quarters of 24 is 8
So 8 pies

What is 0.689 in word form

Answers

six hundred eighty nine thousandths

What is 14x-100<140 please show work

Answers

So your goal is to isolate x.

The first thing you do is add 100 to both sides to cancel the -100 out.

You are left with 14x<240

Then you divide both sides by 14 to isolate your variable and cancel out the multiplying 14 to x.

This leaves you with about x<17.143
or x< 240/17 (as a fraction)

The school owns 2 classroom sets of 30 calculators each, which students are required to have during their mathematics class. There are 2 calculators from one set and 6 calculators from the other set that are not available for use by the students because these calculators are being repaired. For which of the following class periods, if any, are there NOT enough calculators available for each student to use a school-owned calculator without having to share?

Answers

None since only 8 are being fixed and they have two sets of calculaters which is a grand total of 60 with the 8 calculators. Once the the 8 are are subtracted from the equation there would be 52 and there is less students in the classroom for each class leaving extra calculators to be used.

There's not enough information here.

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