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mr Goodwill [35]
2 years ago
14

At a popular arcade, Lana bought a game card worth 135 game credits. Lana and a friend used the card to play Flappy Fish, a game

that costs 4 credits per game. They each played the game 7 times. Which equations could represent n, the number of credits remaining on the card? Select all that apply.
Mathematics
2 answers:
Leto [7]2 years ago
6 0
N=135-4(14). The number of coins remaining would be the initial amount (135) minus the amount used on the game. You could simply find the product of 4 and 14 since the game costs 4 coins per game and they each played 7 times. After that step is done...the equation could be further broken down to N=135-56. Getting the answer of N= 79 coins remaining. Another equation could be N=135-4x. The x in this case would represent how many times the game was played. Then, you could put the 14 in because they each played 7 times. I hope this helps. Next time, include the answer that were given. I was unsure about the “select all that apply” as the there were no choices given.
Ghella [55]2 years ago
3 0

Answer:

rbrbrwr

Step-by-step explanation:

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Gavin goes for a run at a constant pace of 9 minutes per mile. Ten minutes later, Lars goes for a run, along the same route, at
sweet [91]

Answer:  The answer is 35 minutes.


Step-by-step explanation:  Given that Gavin goes for a run at a constant pace of 9 minutes per mile and after 10 minutes, Lars started running along the same route, at a constant pace of 7 minutes per mile. We need to find the number of minutes Lars will take to reach Gavin.

In 9 minutes, distance run by Gavin = 1 mile.

So, in 1 minute, distance travelled by Gavin will be

d_G=\dfrac{1}{9}=\dfrac{7}{63}~\textup{miles}.

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In 7 minutes, distance run by Lars = 1 mile.

So, in 1 minute, distance travelled by Lars will be

d_L=\dfrac{1}{7}=\dfrac{9}{63}~\textup{miles}.

Now, since Lars started after 10 minutes, so distance run by Gavin in those 10 minutes will be

d_{G10}=\dfrac{10}{9}=\dfrac{70}{63}~\textup{miles}.

Now, difference between Lars and Gavin's rate of runnings is

\dfrac{9}{63}-\dfrac{7}{63}=\dfrac{2}{63}.

Therefore, the time taken by Lars to reach Gavin is given by

t=\dfrac{\frac{70}{63}}{\frac{2}{63}}=35.

Thus, the required time is 365 minutes.  


6 0
3 years ago
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