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
weeeeeb [17]
3 years ago
13

It costs Guido $0.20 to send a text message from his cell phone. He has already spent $4 in text messages this month. If he has

a total of $10 that he can spend this month on text messages, write and solve an inequality that will give the greatest number of text messages that he can send. Interpret the solution.
Mathematics
2 answers:
denis-greek [22]3 years ago
7 0

Answer:  x \leq 30 is the required inequality.

Step-by-step explanation:

Let x be the greatest number of text message that he can do,

And, According to the question,

The cost of one text message = $0.20

And, Initially the amounts he has = $10

But, after spending $4 the remaining amount he has = 10 - 4 = $ 6

Now, total cost of the x messages = 0.20 x dollar

Again according to the question,

0.20x \leq 6

⇒x \leq \frac{6}{0.2}

⇒ x \leq 30

Which is the required inequality.

By this we can say that he can do maximum 30 messages with the money he has.

Anon25 [30]3 years ago
4 0

Answer:

0.20x\leq 6

x\leq 30

Step-by-step explanation:

Given : cost of one text message = $0.20

            the amounts he has = $10

             he already spent $4

Solution:

the remaining amount he has after spending =10 - 4 = $ 6

So, Let the greatest number of text message that he can do be x

so,total cost of the x messages = 0.20 x dollar

as given in the question he cannot spend more than 10 dollar and at present he is left only with 6 dollar so right now he can spend only less than or equal to 6 dollar.

so inequality will be 0.20x\leq 6 ---(A)

x\leq \frac{6}{0.20}

x\leq 30

Hence (A) is the required inequality.

So, he can do maximum 30 messages with $6.





You might be interested in
A guy stole $100 from a stores cash register, let's call it Dave's. He bought $70 in groceries, and paid with the $100 bill. The
sergij07 [2.7K]
Well by calculations i would say 100
8 0
3 years ago
Read 2 more answers
Match The Following, 26 POINTS HELP FAST
zavuch27 [327]

The formula for the volume of a cone is:

1/3\pi r^{2} h

The formula for the volume of a cylinder is:

\pi r^2h

The formula for the volume of a triangular prism is:

bh

The formula for the volume of a pyramid is:

1/3bh

The formula for the volume of a rectangular prism is:

lwh

6 0
3 years ago
Read 2 more answers
Suppose that y varies directly with x<br> and y = 10 when x = 20. What is y<br> when x = 15?
tresset_1 [31]

Answer: y = 7.5

Step-by-step explanation:

Suppose that y varies directly with x

That is, y∝x

Convert y∝x to a full equation by introducing a constant k to the right hand side.

Therefore, y = kx

Given that y = 10 and x = 20

Substitute y and x in the equation above. We have;

10 = k(20)

10 = 20k

20k = 10

k = 10/20

k = 0.5

Since k = 0.5, the equation y = kx becomes y = 0.5x

Now, to find y if x = 15, substitute x in equation y = 0.5x

Therefore, y = 0.5(15)

y = 7.5

5 0
3 years ago
I have $1000 invested in a coin worth $43000. If the coin reaches $100000 how much will I have invested?
Pavel [41]

Answer:

$2326

Step-by-step explanation:

I have $1000 invested in a coin worth $43000. If the coin reaches $100000 how much will I have invested?

To solve the above question, we have:

$43,000 = $1000

$100,000 = x

Cross Multiply

43000 × x = 100,000 × 1000

x = 100000 × 1000/43000

x = $2325.5813953

Approximately = $2326

Therefore, If the coin reaches $100000 you would have invested $2326

8 0
3 years ago
Give an example from your classroom of three collinear points
vagabundo [1.1K]
Chess board? , the board if there is like a line with points that has points on the same line. 
4 0
3 years ago
Other questions:
  • Which is greater 17% or 4 over 25?
    8·1 answer
  • Help!!! A submarine dives 435 feet every 3 minutes and 5,800 feet every 40 minutes.
    9·1 answer
  • Convert the decimal to a percent 0.625
    11·1 answer
  • Which statement is true?
    6·1 answer
  • What is the t intercept of the line given by the equation below y= -10x + 14
    6·1 answer
  • The temperature changing every day by - 7/18 degrees FahrenheitWhat will be the change in the temperature after 3 days?
    9·1 answer
  • The acute angles of an isosceles triangle add up to 90 degrees.
    9·1 answer
  • Common difference -34,-44,-54,-64, -74
    13·1 answer
  • What is the inverse function of y=5x + 1
    9·1 answer
  • The difference is<br> Part B 287<br> Find the product of the expressions.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!