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AveGali [126]
3 years ago
13

Which numbers round to 3,100 when rounded to the nearest hundred

Mathematics
1 answer:
Furkat [3]3 years ago
5 0

one number that could round to 3 100 when rounded is 3 120

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Kevin and Randy Muise have a jar containing 73 ?coins, all of which are either quarters or nickels. The total value of the coins
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Answer:

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Step-by-step explanation:

This situation has two unknowns - the total number of nickels and the total number of quarters. Because we have two unknowns, we will write a system of equations with two equations using the two unknowns.

  • n+q=73 is an equation representing the total number of coins
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After simplifying, we subtract 3.65 across and divide by the coefficient of q.

0.20q=4.8

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We now know of the 73 coins that 24 are quarters. To find the number of nickels, we subtract 24 from 73 and get 49 nickels.

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