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
Ivenika [448]
3 years ago
12

It takes 212121 minutes for 555 people to paint 777 walls. How many minutes does it take 333 people to paint 555 walls?

Mathematics
1 answer:
Papessa [141]3 years ago
3 0

Solution: We are given that:

5 people can paint 7 walls in 21 minutes

Therefore, 1 person can paint 7 walls in 21 \times 5=105 minutes

Which means 1 person can paint 1 wall in \frac{105}{7} =15 minutes

Now, 3 people can paint 1 wall in \frac{15}{3} =5 minutes

Therefore, 3 people can paint 5 walls in 5 \times 5=25 minutes


You might be interested in
You can buy a CD the sale price of $6. This is 25% off of the original price. What is the original price of the CD?
Naya [18.7K]
6*.75=4.5

Thank you hope this helps
3 0
2 years ago
Y=-5over4x+7 what is the slope pf a line parallel to this line? What is the slope of a line perpendicular?
quester [9]
You question isn't clear, but I assume that you are asking for the slop of a line parallel to y=-(5/4)(x)+7.
The line parallel would have a slop of -5/7 and the line perpendicular would have a slop of 5/7. 
The difference between the two answers is the sign of the two slopes, one is positive the other is negative

4 0
3 years ago
1. (4x-3)(3x^2+8x-5)
lesya [120]
Here, you have to foil the equation. 

Distribute 4x to all sides, then distribute the -3 to all sides. Next, combine like terms. If you do this, your answer will be

12x^3+23x^2-44x+15
6 0
3 years ago
PLEASE HELP!!!<br> What is -5/8 times 2/3?
malfutka [58]

Simplify for -5/8*2/3= -5/12

-0.416 as a mixed number

6 0
3 years ago
I NEED HELPPPPPPPPPPPP
gtnhenbr [62]

Answer:A

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Other questions:
  • You put $500 into an account and left it alone for three years earning simple interest. At the end of three years, you withdrew
    15·1 answer
  • Graph the line.<br> y - 2 = -3(x + 3)
    11·1 answer
  • What is the greatest common factor of 73 and 30
    13·2 answers
  • Is this a function?<br> (4,12)<br> (4,15)<br> (5,18)<br> (5,21)<br> (6,24)
    6·1 answer
  • Darla spent $120.37 on groceries in January, $108.45 in February, and $114.86 in March. What was the average monthly cost of Dar
    9·1 answer
  • How do I find the prime factorization least common multiple and greatest common multiple
    7·1 answer
  • Julie and her 7 friends roasted 34 of a bag of marshmallows on the grill after dinner. They use the rest of the bag in their hot
    11·2 answers
  • What is the value of - 15 - 9 - (- 7)? ​
    11·2 answers
  • What is the value of this expression when a= 3 and b- -2? (3a^-2 b^6)/(2a^-1 b^5)^2
    14·1 answer
  • A rocket is launched from ground level. The height of the rocket can be
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!