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LUCKY_DIMON [66]
3 years ago
9

You have piano lessons every 7 days and tuba lessons every 3 days. Today you have both lessons. In how many days will you have b

oth lessons on the same day again
Mathematics
2 answers:
Pepsi [2]3 years ago
7 0
I will have piano and tuba lessons on the same day in 21 days because 3 goes into 21 seven times.
Nutka1998 [239]3 years ago
7 0
I think it's 21 because 3 • 7 = 21
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Wolverine makes a $1000 down payment for a motorcycle and then pays $300 per month. James Bond makes a $2500 down payment for a
Delicious77 [7]

Answer:

Both Wolverine and James Bond will have paid the same amount after 10 months.

Step-by-step explanation:

Let x denotes the number of months after which both Wolverine and James Bond will have paid the same amount.

As Wolverine makes a $1000 down payment for a motorcycle and then pays $300 per month,

Amount paid by Wolverine in x months is equal to 1000+300x

As James Bond makes a $2500 down payment for a motorcycle and then pays $150 per month,

Amount paid by James Bond in x months is equal to 2500+150x

To find number of months after which both Wolverine and James Bond will have paid the same amount,

solve 1000+300x=2500+150x

1000+300x=2500+150x\\300x-150x=2500-1000\\150x=1500\\x=\frac{1500}{150}=10

So, both Wolverine and James Bond will have paid the same amount after 10 months.

5 0
3 years ago
Pleaseeehelp me !!!!
Volgvan

Answer:

Go on to photo math it's good for equations

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a bag contains 5 blue, 8 red, and 7 green marbles. a marble is selected at random. find the probability the marble is not red
Alchen [17]
3/5 is the same as 12/20 which is not red over total
6 0
3 years ago
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If John makes $20 an hour, how long will it take him to make $140?
Len [333]
For 1 hour, money = $20
For $140, it would be: 140/20 = 7 hours.

So, option C is your final answer.

Hope this helps!
4 0
3 years ago
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