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
Svetlanka [38]
2 years ago
9

Norton can mow the large lawn in about 5 hours. When he works with

Mathematics
1 answer:
astra-53 [7]2 years ago
5 0

Answer:

7.5 hours

Step-by-step explanation:

The key here is to find out how much can be done in the same amount ot time

the least common multiple of 5 hrs and 3 hrs is 15hrs

In 15 hours:

- At 5 hours per lawn Norton could mow 15/5 = 3 lawns

- At 3 hours per lawn together thay could mow 15/3 = 5 lawns

In 15 hours Jesse would mow 5 - 3 = 2 lawns

15 hours/ 2 lawns = 7.5 hours per lawn

7.5 hours

--------------------

Here's the math

1 lawn/5hrs + x = 1 lawn / 3hrs

1/5 + x = 1/3

Subtract 1/5 from both sides

x = 1/3 - 1/5

x = 5/15 - 3/15

x = 2/15

x = 2lawns/15 hrs

15hrs/2lawns = 7.5 hrs per lawn

7.5 hours

You might be interested in
Opposite rays form a:<br>point<br>ray<br>line<br>plane​
gregori [183]

Answer:

line

Step-by-step explanation:

8 0
3 years ago
Item 23 Find the sale price. Original price: $50 Discount: 15% Item 23 Find the sale price. Original price: $50 Discount: 15%
Akimi4 [234]

Answer:

$42.50

Step-by-step explanation:

discount reduces the price of the good

discount value = 15% x 50 = 0.15 x 50 = 7.5

sales price = 50 - 7.5 = 42.50

7 0
2 years ago
The total price of an article is $7.02, including tax. If the tax rate is 8%, what is the retail price of the article?
masya89 [10]
Lets price of article = x
Tax  is 8%  of article = 0.08x

x+0.08x=7.02
1.08x=7.02
x=7.02/1.08 
x=6.5
The retail price is $6.50.
4 0
3 years ago
A normal probability distribution
julia-pushkina [17]

Answer:

Option B) is a continuous probability distribution          

Step-by-step explanation:

Properties of a normal probability distribution:

  • The mean, mode and median of the data is same.
  • It is a continuous probability distribution.
  • The area under the curve is 1.
  • The probability that any random variable X at a particular value is zero.

Thus, from the properties of normal distribution, the correct answer is:

Option B) is a continuous probability distribution

6 0
3 years ago
How to divide fractions with letters
katrin [286]
<span>To divide algebraic fractions, invert the second fraction and multiply it by the first fraction. Factorise the numerators and denominators. Then cancel the factors common to both the numerator and denominator before applying multiplication to obtain the answer.</span>
7 0
3 years ago
Other questions:
  • What is the exact circumference of the circle?
    5·1 answer
  • Compute the standard deviation for the set of data.<br><br><br><br><br> 2, 4, 6, 8, 10
    11·2 answers
  • Hudson bought a plant and planted it in a pot near a window in his house. The initial height of the plant was 8 inches and it gr
    5·1 answer
  • Kayla plans to swim 2 laps per minute until she swims 12 laps. She figures this will take 1/6 minute. Which is NOT a reason why
    6·2 answers
  • Which expression is equivalent to 4x+20?
    10·1 answer
  • One day 10% of the students enrolled in the school were absent. There were 1,620 students present on that day. How many students
    5·2 answers
  • F(x) = - x ^ 2 + 8x - 2
    5·1 answer
  • The function y = a · bx models ____ for a &gt; 0 and 0 &lt; b &lt; 1.
    15·1 answer
  • Find the area of the figure. hi​
    14·1 answer
  • (3x−1)+x2−4 when x=3 how do i solve it
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!