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Nuetrik [128]
3 years ago
7

In the first week of​ July, a record 1,040 people went to the local swimming pool. In the second​ week, 105 fewer people went to

the pool than in the first week. In the third​ week, 135 more people went to the pool than in the second week. In the fourth​ week, 290 fewer people went to the pool than in the third week. What is the percent decrease in the number of people who went to the pool over these four​ weeks?
I NEED THIS NOW I WILL MARK BRAINLIEST!
Mathematics
1 answer:
lesantik [10]3 years ago
7 0

Answer:

The percentage of people going to the people in week 4 compared to week 1 decreased by 25%.

Step-by-step explanation:

Week 1: 1,040 people

Week 2: 105 fewer people

1040 - 105 = 935 people

Week 3: 135 more people

935 + 135 = 1070 people

Week 4: 290 fewer people

1070 - 290 = 780 people

So, there were 260 fewer people, going to the pool in those 4 weeks compared to week 1.

Now, we must find the percentage change.

x/100 = 780/1040

Cross multiply.

1040x = 78000

Divide both sides by 1040 to leave x by itself on one side.

x = 78000/1040

x = 75%

This means only 75% of the total people from week one were going to the pool in week four. Therefore, there was a 25% decrease in the number of people who went to the pool over these four weeks.

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At a party there were four large submarine sandwiches, all the same size. During the party, 2/3 of the chicken sandwhich, 3/4 of
musickatia [10]

Answer:

The answer is the Veggie Sandwich

Step-by-step explanation:

Given that there are four large submarine Sandwiches in a party and all of them are of the same size.

Some parts of each of them were eaten during the party. We are to find the Sandwich that has the least amount left.

The fractions of the Chicken Sandwich(C), Tuna Sandwich(T), Roast beef Sandwich(R) and the Veggie Sandwich(V) that were eaten during the party are given by

Therefore, the fractions of the Sandwiches that left will be

Out of the four fractions, V' is the smallest, so the Veggie Sandwich has the least amount left.

8 0
3 years ago
28 first graders and 12 other students attended a school assembly what percentage of the students at the assembly were first gra
Harlamova29_29 [7]

Answer:

70%

Step-by-step explanation:

Find the total students who attended a school assembly:

28 + 12 = 40

100% = 40 students

1% = 40 ÷ 100 = 0.40

28 ÷ 0.40 = 70

3 0
3 years ago
Read 2 more answers
Jenna wants to buy a new tablet that cost $242. She already has $62 and plans to save $1 per week. If x represents the number of
densk [106]
62+x=242
x=242-62=180.
So Jenna will have enough money to buy the tablet until 180 weeks. 
3 0
4 years ago
If √ 24 + √ 96 7 √600 = y√ 6, find the value of y. -​
statuscvo [17]
<h3>Solution : </h3>

<h3>y = 2(1 + 5 \sqrt{967} )</h3>

<h3>Step by Step explanation:</h3>

<h3>1.Switch sides</h3><h3 /><h3>y\sqrt{6}  =  \sqrt{24 }  +  \sqrt{967}  \sqrt{600}</h3><h3 /><h2 /><h3>2.Simplify√24 + √967 √600</h3>

<h3>y \sqrt{6}   = 2 \sqrt{6}  + 10 \sqrt{5802}</h3>

<h3>3.Divide both side by √6</h3>

<h3>\frac{y \sqrt{6} }{ \sqrt{6} }  =  \frac{2 \sqrt{6} }{ \sqrt{6 } }  +  \frac{10 \sqrt{5802} }{ \sqrt{6} }</h3><h3>4.Simplify</h3><h3 /><h3>y = 2(1 + 5 \sqrt{967} )</h3>
3 0
2 years ago
I need the answer for question C. please!!!
maksim [4K]

Answer:

The answer would be on the y axis and the cost per pound would be $6.32.

Step-by-step explanation:

This would be the answer because according to your photograph it states that on the x axis will be representing the total pounds of coffee and y would be representing the total cost of the pounds, therefore wouldn't the cost per pound of coffee on the y axis? To get the cost per pound we would simply take the total of 3 pounds of coffee (which was $18.96) and divide it by 3 in order to get the price of just 1 pound (which should be $6.32). I hope this helps you!

5 0
3 years ago
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