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
Tema [17]
3 years ago
12

a news paper carrier has 10.30 in change. he has two more quarters than dimes but three times as many nickles as quarters. how m

any coins of each type does he have
Mathematics
1 answer:
Karolina [17]3 years ago
4 0
A) .05n + .10d + .25 q = 10.30
B) d +2 = q
C) n = 3q
Substituting equations B and C into A
A) .05*3q + .10(q-2) + .25 q = 10.30
A) .15q + .1q -.2 + .25q = 10.30
A) .50q = 10.50
21 quarters

C) n = 3q
C) n = 3*21
63 nickels

B) d +2 = q
d + 2 = 21
19 dimes


You might be interested in
If a video game was 10% off and the amount of the discount was $6 what was the original price?
Alenkinab [10]

Answer: the original price was $60! <3

Step-by-step explanation:

4 0
3 years ago
What is 60% of 400? Round to the nearest hundredth
Alexxandr [17]

Answer:240

Step-by-step explanation: Either multiply 400 by 6/10 or .6. Either way you get 240.

6 0
3 years ago
Read 2 more answers
Rewrite the expression in the form y^n <br><br> y^-7/y^-13
Masja [62]

Answer:

y {}^{n + 6}

6 0
3 years ago
!!!!20 POINTS!!! <br><br> Find the value of A/B/C if a=3, b=4, c= 1/8
svetlana [45]
So, A divided by B divided by C? That would mean 3 divided by 4 divided by 1/8, correct? The answer for that would be 6, I believe. Hope that helps!
7 0
3 years ago
Suppose we want to choose 2 colors, without replacement, from the 3 colors red, blue, and green. (a) How many ways can this be d
Mashcka [7]
There are more then 20 ways this can be done
6 0
3 years ago
Other questions:
  • What is the distance, in units, between the points (3, -2) and (7, 5)?
    8·2 answers
  • 5/81 square root <br><br> Test corrections!!!
    10·2 answers
  • The volume of a cylinder is 375π cm3. The height is 15 cm. What is the radius of the cylinder? 10 cm 12.5 cm 25 cm 5 cm Descript
    13·1 answer
  • Ashley has a balance of $4,000 on her credit card with an annual interest rate of 13%. To pay off the $4,000 in three years, Ash
    10·1 answer
  • An article when sold at a profit of 5% yields Rs 50 more than when sold at a loss of 5%. What was the cost price of the article?
    9·2 answers
  • What is 789 times 26372
    11·1 answer
  • Kelly watches 3/5 of a movie in 5/8 of an hour. How much time wil it take her to watch the entire movie?
    12·1 answer
  • I need this really fast can someone help me outMalik jogged 2 miles in 20 minutes. What was his rate in miles per hour? ​
    10·2 answers
  • Solve for x.<br><br> 2x + 15<br> 5x - 12
    15·2 answers
  • Find x and y <br><br> Y 12 x 6
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!