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
zavuch27 [327]
3 years ago
7

Two friends are collecting cards. Frank has 7 more than half the number of cards as his friend. Together they have 42 cards. How

many cards does each friend have?
Mathematics
1 answer:
Naddika [18.5K]3 years ago
7 0

Answer:

The number of cards Frank has is 18 and the number of cards his friend has is 24.

Step-by-step explanation:

<u><em>The correct question is </em></u>

Two friends are collecting cards. Frank has 6 more than half the number of cards as his friend. Together they have 42 cards. How many cards does each friend have?

Let

x ----> the number of cards that Frank has

y ----> the number of cards that his friend has

we know that

Together they have 42 cards

x+y=42 ----> equation A

Frank has 6 more than half the number of cards as his friend

x=\frac{y}{2} +6 ---> equation B

Solve the system by substitution    

Substitute equation B in equation A

\frac{y}{2} +6+y=42

solve for y

\frac{3}{2}y=42-6\\\\\frac{3}{2}y=36\\\\y=36(2)/3=24

<em>Find the value of x</em>

x=\frac{24}{2} +6=18

therefore

The number of cards Frank has is 18 and the number of cards his friend has is 24.

You might be interested in
Simplify 3+7x-(2+9x)
viva [34]

Answer:

-2x + 1

Step-by-step explanation:

3 + 7x - (2 + 9x)

Distribute the negative:

3 + 7x - 2 - 9x

Combine like terms:

-2x + 1

8 0
3 years ago
What is the percent decrease from 95 to 19?
serious [3.7K]

Answer:

-80 percent

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Soumik has $5 less than his friend Kofi. If they have $97.50 altogether, how much does each
Basile [38]

Answer:

$190 is the answer

minus $5 from $97.50 and add that number to $97.50

5 0
3 years ago
Read 2 more answers
84.87 is 115% of what
elena-s [515]
Divide 84.87 by 1.15, and you get 73.8

Then you can check your work by multiplying 73.8 by 1.15 and you get 84.87
6 0
3 years ago
What is the solution to the inequality below?
Svetlanka [38]

Answer:

B. x < -8 or x > 8

Step-by-step explanation:

You can use process of elimination to solve this problem by going through every solution and testing them out, but let's jump right to B.

Process:

You know that since the inequality states that x^2 has to be greater than 64, x  has to be more than 8, or less than -8.

This is because 8^2 = 64, and -8^2 = 64, and the inequality requires the answer to be more than 64.

Looking at B., you can see that if x is < -8, the square of, for example, -9, would be 81. This is greater than 64, so this works!

Now, B. also has an alternative. The 'or' is a major clue to which is the correct answer, since the square root of any number can be positive or negative. (-8^2 = 8^2)

The 'or' states that x must be greater than 8. So, for example, if we take the square of 10, we get 100, and that is also greater than 64.

We've proven that this solution is accurate for both parts, so it is definitely the one we want!

Hope this helps!

4 0
3 years ago
Other questions:
  • What is the equation of the graphed line written in standard form?
    12·1 answer
  • If x=15, y=3 &amp; z=-2 what is the value of <br> x-y<br> _____+x ?<br> yz
    8·1 answer
  • The center of a circle is at (-5 12) and it has a radius of 16. what is the equation of the circle?
    7·1 answer
  • 6= 24-6a what is a.......................
    8·2 answers
  • Please help I sont get it
    5·2 answers
  • The sequence is recursive. Find the value of the next term in the sequence. 5,8,11,14,17,...
    6·1 answer
  • Help please i will give brainliest. what is the measure of angle b?
    7·2 answers
  • ASAP ILL GOVE 10 POINTS
    15·2 answers
  • What is the domain of this relation (1,3) (2,5) (0,1) (-1,-1 )
    7·2 answers
  • What is the equation of this graphed line?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!