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
Murljashka [212]
3 years ago
15

Last month, Raul bought 6 used books for $7.50. This month he bought 8 used books for $10.00. What is the constant of proportion

ality between the cost and the number of books bought?
A. 0.75
B. 1.25
C. 2
D. 2.5
Mathematics
1 answer:
posledela3 years ago
8 0

each book cost 1.25

divide

7.50÷6= 1.25

10÷8= 1.25

this is the proportion

You might be interested in
What 2 numbers add up to get 17 and multiply to get -308??
Rufina [12.5K]
A) x + y = 17
B) x * y = -308

B) y = -308 / x Substituting this into A)
A) x -308 / x = 17
A) x^2 -308 = 17x
A) x^2 -17x -308 = 0
x = 28
y = -11


5 0
3 years ago
The length of a rectangle is 3 inches longer than half of its width. The area of the rectangle is 416 square inches. How many in
Pie

Answer:

C. 26 Inches

Step-by-step explanation:

Using process of elimination you can tell the answer. 26*(13+3)=416

8 0
3 years ago
The distance between Capeton and Jonesville is 80 miles. The scale on the map is 0.75 in. : 10 miles. How far apart are the citi
Mnenie [13.5K]
The answer to this question is 6 in. Hope this helps.
7 0
3 years ago
How many units of a 10% solution are needed to prepare 500 units of a 2% solution?
Akimi4 [234]
First find how many units of solution there is:

500* 2% = 500(.02) = 10 units

You need 10 units of solution in 'x' units of a 10% solution.

x*10% = 0.1x = 10 units   ----->  x = 10/0.1 = 100

100 units are needed
8 0
3 years ago
Y/18 = 6/9<br><br> solve for Y with explanation
Anettt [7]
The answer to your question is Y=12
3 0
3 years ago
Other questions:
  • How do I find the equation of a line when I'm given the point and slope?
    13·2 answers
  • Solve the following for the specified variable<br><br> Z=s/2(P+p); for P
    15·1 answer
  • What is y=--x+4 in standard form?<br>M​
    14·1 answer
  • A battle contains 4 1/2 cups of juice One serving of the juice 3/4 * c * u * p How many servings are in the bottle ?
    5·1 answer
  • Melissa earns a 2% commission on the first $750 of sales she makes each week. She earns a 3% commission on the amount of her sal
    13·1 answer
  • Select THREE expressions equivalent to -81x + 27.
    9·1 answer
  • 20-3+12+6x2<br>I need it for a math quiz.​
    11·2 answers
  • The perimeter of a triangle is 40 inches. The middle length side is twice as long as the short
    8·1 answer
  • What is the value of X?<br><br> Please help! I suck at math but need to pass
    7·1 answer
  • 1 1/12-7/10 greater than 1/2 or less than 1/2
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!