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igor_vitrenko [27]
3 years ago
11

One less than the product of four and a number is 11. What is that number ?

Mathematics
1 answer:
agasfer [191]3 years ago
5 0
<h3>One less than the product of four and a number is 11. What is that number ?</h3>

Answer: The number is 3

Step-by-step explanation:

We will call X the number, then 4X - 1 = 11

4X = 11 + 1 =12

X = 12/4 =3

This is the number = 3

\textit{\textbf{Spymore}}​​​​​​

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Kay has 28 coins which includes nickels and dimes if the total is 2.35$, how many of each coin does Kay have?
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Answer:9 nickels and 19 dimes.

Step-by-step explanation:

Let n be the number of nickels Kay has.

Let d be the number of dimes Kay has.

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Value of n nickels is $0.05n

Value of 1 dime is $0.1

Value of d nickels is $0.1dn

Given that Kay has a total of 28 coins.

So,n+d=28                                                ...(i)

Given that Kay has a total value of $2.35

So,0.05n+0.1d=2.35                                 ...(ii)

Using (i) and (ii),

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d=28-n=28-9=19

4 0
3 years ago
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