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
melomori [17]
4 years ago
14

A jar contains $14.25 in quarters and dimes. There are 75 coins in the jar. Find the number of quarters in the jar.

Mathematics
1 answer:
Marianna [84]4 years ago
8 0
Set up a system of equations.
d + q = 75
.1d + .25q = 14.25

Multiply the first equation by -.1 so that the "d's" will cancel.
-.1d -.1q = -7.5
.1d +.25q = 14.25
Now add the two equations together
      .15q = 6.75
divide both sides by .15
        q = 45
There are 45 quarters in the jar
You might be interested in
A relation is given below. {(0, 0), (2, 0.5), (4, 1), (3, 1.5), (4, 2), (5, 1.5), (6, 8)} Which ordered pair can be removed to m
dedylja [7]

Answer:

The first one is 4,1 and then every input must be paired with exactly one output

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Solve -0.5y > 15. Check your solution.
Sedbober [7]
The following answer is:


y<<span>−<span>30

Hope this helps!</span></span>
3 0
4 years ago
Read 2 more answers
Carlos scored 152, 138, and 160 in 3 consecutive
bezimeni [28]
Method 1 :
(152+138+160)÷3 = 150

(152+138+160+198)÷4 = 162

Then his average score will increase

Method 2 :
Since 198 > 150 then the average will increase automatically.

7 0
2 years ago
Which of the following number lines represents the solution to
Ymorist [56]
Day is 123

Hope this helps!!
4 0
3 years ago
Is AABCDEF? If so, identify the similarity postulate or theorem that
mihalych1998 [28]

Answer:

C

Step-by-step explanation:

C is the correct answer as both triangles have a similar angle of 105⁰ and both side lengths of triangle ABC are being divided by 4 to have the same two side lengths as triangle DEF

7 0
2 years ago
Other questions:
  • Type 11//5 in the simplest form
    15·1 answer
  • 3/8 of the captain and musical have to sing what fraction of the cash does not have to sing
    13·1 answer
  • Please help me with is. Factor 4x2 + 12x + 5.
    7·2 answers
  • 1. Provide an exponential function representing Anita's social media shares.
    13·1 answer
  • I meant to put the file but i guess it didnt upload.
    14·2 answers
  • The width of a rectangle is twice as long as the length. if the length is increased by 50% and the width is decreased by 20%, th
    6·1 answer
  • Based on the graph, which inequality is correct for a number that is to the right of -3?
    13·1 answer
  • Sandra has a checking account at Wells Fargo Bank. During the month of May, she made deposits totaling $2,458.52 and wrote check
    8·1 answer
  • In which picture is point A at 3/4
    6·1 answer
  • 1_&lt;2x-4
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!