1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mr Goodwill [35]
3 years ago
14

Sofia has 25 coins in nickels and dimes in her pocket for a total of $1.65 how many of each type of coin does she have?​

Mathematics
2 answers:
Simora [160]3 years ago
8 0

Answer:

She has 23 nickels and 5 dimes.

Step-by-step explanation:

Let n = the number of nickles and d = the number of dimes.

The number of each = 28. Set up the equation:

n + d = 28

Solve for n:

n = 28 - d

The total amount is $1.65 or 165 cents:

5n + 10d = 165

Substitute:

5(28 - d) + 10d = 165

140 - 5d + 10d = 165

140 + 5d = 165

5d = 165 - 140

5d = 25

d = 5, the number of dimes.

Solve for n:

n = 28 - d

n = 28 - 5 = 23, the number of nickles.

Proof:

5n + 10d = 165

5(23) + 10(5) = 165

115 + 50 = 165

165 = 165

Hope this Helps! Have an Awesome Day!!! <3

Step-by-step explanation:

uysha [10]3 years ago
7 0

Answer:

Sofia has <u>23 nickles & 5 dimes</u>

Step-by-step explanation:

The number of each is 28

Form an equation:

n+d=28

Solve for n:

n=28-d

The total amount is $1.65 for 165 cents:

5n+10d=165

Substitute:

5(28-d)+10d=165

140-5d+10d=165

140+5d=165

5d=165-140

5d=25

d=25/5

d=5

Solve for n:

n=28-d

n=28-5=23 ⇒ the number of nickles

<u>CHECK:</u>

5n+10d=165

5(23)+10(5)=165

115+50=165

165=165

<em>hope this helps....</em>

You might be interested in
A car and a bus set out at 2 p.M. From the same point, headed in the same direction. The speed of the car is 30mph slower than t
Blizzard [7]

Answer:

Car = 10 miles/hour

Bus = 20 miles/hour

Step-by-step explanation:

Here,

Let, the value of the speed of the bus = X

the value of the speed of the car = 2X - 30 (As the speed of the car is 30mph slower than twice)

According to the question,

2X - 20 = 2*(2x-30)

or, 2X - 20 = 4X-60

or, 2X = 40

x = 20

Therefore, the speed of the bus, x = 20 miles/hour

So, the speed of the car is (2*20-30) mph = (40 - 30) mph = 10 miles/hour.

6 0
3 years ago
The table shows the number of wins of each school baseball team over the last six years. Find the mean absolute deviation for ea
Gwar [14]

Answer: Bears: 1.80 Saints: 1.40

Step-by-step explanation: Hope this helps!!

8 0
3 years ago
Which name correctly classifies this triangle?
katrin [286]
Isosceles triangle because it has two equal sides
4 0
4 years ago
Please help all of my piont help me<br><br>pleeeeeeeeeeeeeeeeeeeeeeeeeaaaaaaaaaaaaaaaaaasse
KengaRu [80]

Answer:

<h2>3) -82.</h2><h2>4)-70.</h2><h2>5) -15.</h2><h2>6)-14.</h2><h2>7)5</h2><h2>8)15</h2><h2>9)16</h2><h2>10 )16</h2><h2>11)64</h2><h2>12)21.</h2><h2>13)1500 in the middle (not above not below)</h2><h2>14)450 m</h2>
7 0
3 years ago
Read 2 more answers
Please answer this question!
natita [175]
V = πr²h
V = (3.14)(5)²(16)
V = (3.14)(25)(16)
V = 1256

Hope this helps :)
3 0
4 years ago
Other questions:
  • A beetle has been walking down a
    13·2 answers
  • X/3 = -9, plz solve this
    15·2 answers
  • Which of th following does not belong in the integer circle?<br> A.-2.5<br> B.-3<br> C.0<br> D.√16
    10·1 answer
  • Need to see how you divide 247÷100
    10·1 answer
  • The area of Caitlins square garden is 345 ft.². One side of the garden is next to a shed. She wants to put a fence around the ot
    5·1 answer
  • Noel currently has a balance of 2300.37 in an account he has held for 34 years. he opened the account with an initial deposit of
    14·1 answer
  • Solve 3 + 4x &gt; –5 for x.<br> Will Mark Brainliest
    7·2 answers
  • I need help with this.<br> I need to find both A and B, I’m just lost at this point
    14·1 answer
  • Simplify the following expression and show your work in details please .
    10·2 answers
  • Today only, a table is being sold for 134.40 . This is 32% of its regular price. What was the price yesterday?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!