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
Sonja [21]
3 years ago
8

8 kg of potatoes and 5 kg of carrots cost $28 whereas 2 kg of potatoes and 3 kg of arrot cost $11.20.what is the cost of 1 kg of

each item
Mathematics
1 answer:
kow [346]3 years ago
5 0
1 kg of potatoes costs  x, 1 kg <span>of carrots costs y.

8x+5y=28 | :(-4)
2x+3y=11,2

-2x-1,25y=-7
2x+3y=11,2

3y-1,25y=11,2-7
1,75y=4,2
y=2,4

</span><span>1 kg of carrots costs $2,4.
</span>
<span>1 kg of potatoes costs:
</span>2x+3*2,4=11,2
2x+7,2=11,2
2x=11,2-7,2
2x=4
x=2
1 <span>kg of potatoes costs $2</span>

You might be interested in
What is the area of the triangle
Reika [66]
Base x height divided by 2
10x8=80
80÷2=40
area=40
7 0
3 years ago
N-6 divided by 3 = -4 what is n
puteri [66]
-6 is the answer that you want
8 0
3 years ago
Read 2 more answers
If i have 16 ounces of water how many pints does jazmine have?
qwelly [4]
I'm not too sure about what you want to know but 16 oz is 1 pint.
4 0
3 years ago
Read 2 more answers
Pls help soon!Amélie runs a bakery. She wants to find out whether her cake sales are affected by the weather conditions. She rec
kozerog [31]
1.The correlation coefficient is close to B. 0.50
we can conclude that Amélie's cake sales are affected by the daily temperature. <span>A. Strongly</span>
5 0
3 years ago
Read 2 more answers
A ladder is 12 metres long . It leans against a wall with one end on the ground 7 metres from the wall. The other end just reach
MissTica

Answer:

window sill height =9.75 meters

Step-by-step explanation:

Ladder^2=height^2+length^2

12^2=height^2+7^2

144=height^2+49

height^2=144-49=95

height=9.75

6 0
3 years ago
Other questions:
  • Which equation has the solutions x = 1+ V5?
    7·1 answer
  • What is the surface area, in centimeters, of a cube with a side length, s, of 1/3 cm?
    10·1 answer
  • 9,443.2 the 4 in the tens place is ? the value of the 4 in the hundreds place.
    13·1 answer
  • A company earned 7 million in one year. The following year, the company lost 11 million. Did the company earn or lose money in t
    12·1 answer
  • On a trip of d miles to another city, a truck driver's average speed was x miles per hour. On the return trip, the average speed
    12·1 answer
  • The answers I don’t really understand the question
    8·2 answers
  • The value of -4 5/8 - x is positive. What are two possible values of x?
    6·1 answer
  • Pretty please can someone help
    6·1 answer
  • X=5/2; f(x) = (12/15)x -200 =
    6·1 answer
  • You want to buy a shirt that is $25 and you have a 10% off coupon. If you use the coupon, how much money will be taken off the s
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!