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dezoksy [38]
2 years ago
9

Jordan and Ben exercise at the same gym. The table below shows the number of calories they burned in each of their last 5 workou

ts.
How many calories would ben need to burn in his next workout to have the same average as Jordan? ​

Mathematics
2 answers:
mina [271]2 years ago
8 0

Answer:

  760 calories

Step-by-step explanation:

Jordan's average is ...

  (850 +674 +729 +658 +614)/5 = 705

Then the total number of calories Ben needs to burn in 6 sessions is ...

  705×6 = 4230

So far, Ben has burned ...

  716 +635 +802 +687 +630 = 3470 . . . calories

So, in his next session, Ben must burn ...

  4230 -3470 = 760 . . . calories

To have the same average after 6 sessions that Jordan now has after 5 sessions, Ben must burn 760 calories in his 6th session.

jarptica [38.1K]2 years ago
4 0

Answer: The answer is 55 more calories than jordan in the next session

Step-by-step explanation: So sorry, I am bad at explaining :(

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Erika’s toy ski chalet is valued at €450. Its value increases by 10% then decreases by 10% the year after. What is the value of
Musya8 [376]

Answer:

€445.5

Step-by-step explanation:

First we calculate the increase percentage and the increase.

Increase = 450 + (10%*450)

Now we must calculate the percentage of the increase.

Increase percentage = 10% of €450 = 450*0.1 = 45

Increase = 450 + 45 = €495

Since the decrease happens to the <em>new </em>number, the decrease and the decrease percentage <em>both </em>must be to the new changed number, which is 495

Decrease = 495 - (10%*495)

Again we must calculate the percentage of the decrease.

Decrease percentage = 10%*495 = 0.1*495 = 49.5

Decrease = 495 - 49.5 = 445.5

So, the value of Erika's ski chalet after the two changes = €445.5

7 0
3 years ago
Simone paid $5.25 for 3 pounds of apples. Which equation represents the cost, in dollars, C, of buying a pounds of apples?
Shalnov [3]
I believe it is the first once because if a means the amount of apples and $1.75 is the amount paid for 1 apple, this answer would be correct.
5 0
3 years ago
Twice the difference of a number 2 and 5 is ?
alexandr1967 [171]

Answer:

<u>n= 4.5</u>

Step-by-step explanation:

The equation is:2(n-2)=5

Step 1- You need to do the parentheses.

The new equation is:

2n-4=5

Step 2-Next you add 4 to both sides of the equal sign.

The new equation is:

2n=9

Step 3- Now you divide by 2 into both sides and get the answer.

Answer:

<u>n=4.5</u>

8 0
3 years ago
Darwin's best time for running 5000 metres is 16 minutes. He wants to run it in 15 minutes and 30 seconds.
Rudik [331]

Answer:

3 percent

Step-by-step explanation:

convert to seconds

960 seconds to 930 seconds

30 seconds ÷ 960=3 per cent

6 0
3 years ago
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sleet_krkn [62]
The correct answer is 
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3 years ago
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