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
Black_prince [1.1K]
3 years ago
5

George is twice as old as Edward, and Edward's age exceeds Robert's age by 4 years. If the sum of the three ages is at least 56

years, what is Robert's minimum age?
Mathematics
1 answer:
marshall27 [118]3 years ago
8 0

Answer:Robert's minimum age is 11 years.

Step-by-step explanation:

Let x represent George's age.

Let y represent Edward's age.

Let z represent Robert's age.

George is twice as old as Edward. It means that

x = 2y

Edward's age exceeds Robert's age by 4 years. It means that

z = y - 4

If the sum of the three ages is at least 56 years, it means that

x + y + z ≥ 56 - - - - - - - - - - 1

Substituting x = 2y and z = y - 4 into equation 1, it becomes

2y + y + y - 4 ≥ 56

4y - 4 ≥ 56

4y ≥ 56 + 4

y ≥ 60/4

y ≥ 15

z = y - 4 = 15 - 4

z ≥ 11

You might be interested in
Circle O has a circumference of 367 cm.
Feliz [49]

Answer:

18

Step-by-step explanation:

367 167

5 0
3 years ago
If a flower bed has the shape of a rectangle 7 yards long and 3 yards wide what is the area in square feet
vichka [17]
I believe it is 189 square feet
8 0
3 years ago
ABC Bank requires a 20% down payment on all of its home loans. If a house is priced at $105,000, what is the amount of the down
mr_godi [17]
Percentage of down payment that ABC bank requires to be paid = 20%
Price of the house = $10500
Then
Amount of down payment
that needs to be made = (20/100) * 105000
                                     = 21000 dollars
From the above deduction, it can be deduced that the correct option among all the options that are given in the question is the third option or option "C". I hope that this is the answer that has actually come to your desired help.
3 0
3 years ago
Read 2 more answers
Find the median and mean of the data set below:<br> 21,0,36,30,13,32
hodyreva [135]

Answer:

Median: 25.5

Mean: 22

Step-by-step explanation:

Hope this helps!

Have a lovely day!

7 0
3 years ago
Find each trig ratio
Elena L [17]

Answer:

Step-by-step explanation:

7 0
2 years ago
Other questions:
  • A shipping container is in the shape of a right rectangular prism with a length of 3.5 feet, a width of 10.5 feet, and a height
    5·1 answer
  • Use decimal numbers to write an expression that represents the length of the walls that Valerie measured?
    6·1 answer
  • Five times a number k minus 9 is two thirds of a number j. solve for j
    5·1 answer
  • 2x² + 3y2 = 44<br> 3x – 4y2 = 32<br> Solve the system of equation
    13·1 answer
  • Help please and how much is it increasing by and what 3 numbers comes after....
    11·2 answers
  • If two sides of a triangle measure 123 inches and 150 inches, which of the following can NOT be the length of the third side of
    8·1 answer
  • Juarez scored 32 points in a basketball game. He scored twice as many baskets worth 3 points than baskets worth 2 points. How ma
    10·2 answers
  • 2x + 3y + x +7<br> Like terms
    5·2 answers
  • a doll house has a replica stove that is 5cm tall the actual stove is 100 cm tall what is the scale factor​
    9·1 answer
  • What’s the lengths of the sides using pythagoras
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!