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frez [133]
3 years ago
12

A mountain climber starts a climb at an elevation of 453 feet above sea level. At his first rest stop he has climbed 162 feet, a

nd by his second rest stop he has climbed another 207 feet. It's getting late in the day, so the climber starts his way down. If the climber descends 285 feet, how much does he need to ascend or descend to return to the original staring point?
A) ascend 84 feet
B) ascend 78 feet
C) descend 84 feet
D) descend 78 feet
Mathematics
1 answer:
Sedaia [141]3 years ago
8 0
     162
   +207
=   369
     
      
Okay, so it says he descends 285 feet after he's climbed 369 feet. That means he needs to descend a bit more to reach 453 feet, which we'll just call 0 for now. First, we need to do some subtraction:

  369
- 285
=  84  

Okay, we know he needs to descend 84 feet to get to his starting point.
So your answer is C

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What multiplication problem is equivalent to 3 3/8 divide by 3/8
Anni [7]

The expression 3\frac{3}{8}\div \frac{3}{8} can be written in multiplication problem as: 3\frac{3}{8}\times \frac{8}{3} or \frac{27}{8}\times \frac{8}{3}

Step-by-step explanation:

We need to find What multiplication problem is equivalent to 3\frac{3}{8}\div \frac{3}{8}

We are given: 3\frac{3}{8}\div \frac{3}{8}

Writing it in multiplication problem.

When division sign is changed to multiplication sign, the fraction is reciprocated.

3\frac{3}{8}\div \frac{3}{8}

Converting division into multiplication

3\frac{3}{8}\times \frac{8}{3}

or we can write as:

\frac{27}{8}\times \frac{8}{3}

So, the expression 3\frac{3}{8}\div \frac{3}{8} can be written in multiplication problem as: 3\frac{3}{8}\times \frac{8}{3} or \frac{27}{8}\times \frac{8}{3}

Keywords: Solving Fractions

Learn more about Solving Fractions at:

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#learnwithBrainly

4 0
3 years ago
WHUR Radio uses 1/5 of its of its 10 hours of daytime broadcast for commercial and 1/2 for music. How much is left for news?
Nataly [62]

Answer: 3 hours

Step-by-step explanation:

From the question, we are informed that WHUR Radio uses 1/5 of its of its 10 hours of daytime broadcast for commercial and 1/2 for music.

Hours used for commercial:

= 1/5 × 10

= 2 hours

Hours used for music:

= 1/2 × 10

= 5 hours

Hours left for news will be:

= 10 hours - 2 hours - 5 hours

= 3 hours

8 0
3 years ago
The Basketball Boosters Club plans a pancake supper to raise $1,200. They can serve 240 people. They
wolverine [178]

\huge{ \mathfrak{  \underline{ Answer} \:  \:  ✓ }}

let the number of

  • adults be x

  • children be y

Total number of people : adults + children

  • x + y = 240

  • x = 240 - y - [1]

Total money earned from adults :

  • 6 × x = 6x

Total money earned from children :

  • 2 × y = 2y

Therefore, total money = money earned from each Adult and children.

  • 6x + 2y = 1200 -[2]

Now, let's plug the value of x from equation [1] into equation [2]

  • 6 (240 - y) + 2y = 1200

  • 1440 - 6y + 2y = 1200

  • -4y = 1200 - 1440

  • -4y = - 240

  • y = 60

let's plug the value of y in equation [1]

  • x = 240 - y

  • x = 240 - 60

  • x = 180

Hence, we get :

  • total adults = x = 180

  • total children = y = 60

Correct option is C

_____________________________

\mathrm{ ☠ \: TeeNForeveR \: ☠}

7 0
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krek1111 [17]

Answer:

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Step-by-step explanation:

You times 18 by 42 then you get 756 then you times that by 1.31$

7 0
2 years ago
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What is the median of this set of data?<br> 1, 2, 5, 6,9
Aleksandr-060686 [28]

Answer:

5

Step-by-step explanation:

median = (n+1)/2 th item

n = 5

median = 3rd item = 5

3 0
3 years ago
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