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zhuklara [117]
3 years ago
7

What is madeline mistake

Mathematics
1 answer:
Mazyrski [523]3 years ago
8 0

Answer:

4000 should be 40 to be correct. simple wrong steps.

Step-by-step explanation:

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Mason has a collection of 49¢ stamps, 20¢ stamps, and 34 stamps worth $23.55. He has 56 total 49¢ and 20+ stamps and the number
tatuchka [14]

Answer:

Mason has

  • 16 20¢ stamps;
  • 25 3¢ stamps;
  • 40 49¢ stamps.

Step-by-step explanation:

Let x be the number of 20¢ stamps, then the number of 3¢ stamps is  x + 9.

Mason has 56 total 49¢ and 20¢ stamps, then the number of 49¢ stamps is 56 - x.

Amounts:

  • in 49¢: 49(56-x) cents;
  • in 20¢: 20x cents;
  • in 3¢: 3(x+9) cents.

Total amount:

  • 49(56-x)+20x+3(x+9);
  • $23.55.

Hence,

49(56-x)+20x+3(x+9)=2,355\\ \\2,744-49x+20x+3x+27=2,355\\ \\-49x+3x+20x=2,355-2,744-27\\ \\-26x=-416\\ \\26x=416\\ \\x=16

Mason has

  • 16 20¢ stamps;
  • 25 3¢ stamps;
  • 40 49¢ stamps.
5 0
3 years ago
(Please answer) Octavia is going to buy milkshakes for her friends. Small milkshakes cost $2.50 and large milkshakes cost $6.00.
Igoryamba

Answer:

Step-by-step explanation:

In this scenario, Octavia should buy at least 12 small milkshakes. At $2.50 each small milkshake, buying 12 would be a total of $30. Since she needs to buy atleast 20 total milkshakes, she would need to buy 8 large milkshakes which at $6 each would cost her a total of $48. Together this would sum up to be $78 for the 20 milkshakes which would mean that Octavia is still under her budget.

3 0
3 years ago
FIND THE VALUE OF X! please help !
AnnZ [28]
Its 20 the sides are equal
6 0
3 years ago
Read 2 more answers
Find the distance between the two numbers on a numbers on a number line -4.3 and 0.8
GenaCL600 [577]

Answer:

mbdvkjfb,s bvyuflkbheofuuiu bvgyoiufhgopyhp'rr=-guywghoijhuigy

ouyagwi;ljhiuasgpiuhwerguyehinja

Step-by-step explanation:

kguioulewnhiuwotijuhwtoihwuohobnjnwuihsng uwhgiwuhjegondbugoiuj;ogiwuerhtogiw ruiwerhgouspoi;wlusighwiojgipsjhgiusnlnuhsdjwgihgiuhwoeijioewu8oithijeioh[iwop[wh8htwoijt;lksskgdiuogye706

6 0
4 years ago
Is 0.84 less than greater than or equal to one half
Neporo4naja [7]
One half is 0.50, so compare 0.84 to 0.50.  Which is true?

0.84 is greater than 0.50
0.84 equals 0.50
0.84 is less than 0.50.

8 0
3 years ago
Read 2 more answers
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