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Anna007 [38]
2 years ago
7

A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 21 ​pennies, 26 ​dimes, and 15 quarters. The rest of the

coins are nickels. There are 76 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?
Mathematics
2 answers:
pshichka [43]2 years ago
8 0

Answer:

14

Step-by-step explanation:

21+26+15=62 72-62=14 :)

nekit [7.7K]2 years ago
7 0

Answer: The Answer is 62 coins

Step-by-step explanation:

If there are 76 coins in the jar in total,All you do is add all of the number of each coin there is except nickels and add it together. Then you take that amount away from the total number of coins to find out how many nickels are inside the jar.

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There are a total of 120 bicycles and tricycles in a shop. There are 302 wheels in allmany bicycles and how many tricycles are i
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Step-by-step explanation:

Given: Number of wheels in a bicycle = 2

Number of wheels in a tricycle = 3

Let x = Number of bicycles , y = Number of tricycles.

As per given , we have

x+y =120       (i)

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Subtract (iii) from (ii) , we get

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Put value of y in (i) , we get

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