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Viktor [21]
2 years ago
13

There are two less nickels than dimes, and as many quarters, as nickels and dimes together. The total amount of money is $5.25.

How many quarters, dimes, and nickels are there?
Mathematics
1 answer:
katen-ka-za [31]2 years ago
3 0
N=d-2
q=n+d =>q=(d-2)=q=2d-2
25q+5n+10d=525
replace q and n with d
25(2d-2) +5(d-2)+10d=525
50d-50+5d-10+10d=525
65d=585
d=9
n=7
q=16

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2 years ago
Debbie has at most $60 to spend on a clothes she wants to buy a pair of jeans for $22 and spend the rest on t-shirts each t-shir
patriot [66]

The inequality to find the maximum number of t-shirts is:

22+8x\leq 60

Step-by-step explanation:

Debbie has at most $60 to spend

Then it will be <=60

Now she has to spend 22 dollars on jeans so 22 will be add to the initial amount for sure.

And

Let x be the number of t-shirts

Then the cost of x t-shirts will be 8x

Putting this in to inequality will be:

22+8x\leq 60

The inequality to find the maximum number of t-shirts is:

22+8x\leq 60

Keywords: Inequality

Learn more about inequalities at:

  • brainly.com/question/763150
  • brainly.com/question/750742

#LearnwithBrainly

7 0
3 years ago
Solve for x<br> i have no clue what i’m doing help!
miss Akunina [59]

Answer:

x = 8

Step-by-step explanation:

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5x = 4 × 10 = 40 ( divide both sides by 5 )

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6 0
2 years ago
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Answer:

1.) The product of 12 and 3/4 is less than 12. This is because you are multiplying 12 by a number less than 1.

2.) The product of 5 and 1/2  is less than 5, this is because you are multiplying 5 by a number less than one.

Step-by-step explanation:

If multiplied by a number less than one then it will be smaller than original

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2 years ago
W/5=3 what does w equal
m_a_m_a [10]

Answer:

w=15

Step-by-step explanation:

w/5=3

multiply by 5 on both sides

w=3*5

∴ w=15

7 0
3 years ago
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