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
CaHeK987 [17]
3 years ago
11

A group of students organized a car wash to raise money for a local charity. The students charged $5.00 for each car they washed

. In 3 hours, they washed 12 cars. At that rate, how much money could they earn from washing cars for eight hours? and show how u got the answer please step by step
Mathematics
2 answers:
ladessa [460]3 years ago
5 0
12/3 = 4 4 cars per hour 4 x 5 = $20 20 x 8 = $160 for 8 hrs
pashok25 [27]3 years ago
3 0
First you would divide 12 cars by 3 hours to see how many cars get washed per hour
Then you know that 4 cars get washed in one hour so you multiply it by $5.00 because you want to see how much money they earn in one hour

After you know they earn $20.00 per hour you multiply that by 8 because you want to see how much money they earn in eight hours

So your final answer is $160 for washing cars in 8 hours
You might be interested in
Evaluate the expression (ab)2 for a = 4 and b = 3. A. 36 B. 24 C. 81 D.144
skelet666 [1.2K]

Answer:

Option D = 144

Step-by-step explanation:

First, you are not putting the expression correctly. I'm assuming you are mean to say (ab)². This is because if you want to multiply by 2, the 2 usually goes first like this 2ab. But it's not case, so, it should be as I said.

Now, let's replace the values for a and b into the expression:

(ab)² = (4 * 3)² = (12)² = (12*12) = 144

That's is why is option D.

4 0
3 years ago
BRAINLIEST FOR CORRECT ANSWER ASAP
astra-53 [7]

Answer:

A. 3x3x3x3 = 81 because you multiply 3 by itself 4 times

6 0
3 years ago
Read 2 more answers
Dharma and Jorge are looking at cell phone plans. A
riadik2000 [5.3K]

Answer:

Dharma and Jorge should purchase a group plan.

They could save $9.55

Step-by-step explanation:

A group plan will cost an average of $135.95 per month.

An individual plan will cost an average of $72.75 per month.

Two individual plans will cost an average of

\$72.75\cdot 2=\$145.50

per month.

Since $145.50 > $135.95,  Dharma and Jorge should purchase a group plan.

They could save

\$145.50-\$135.95=\$9.55

4 0
3 years ago
The fountain is made up of two semicircles and a quarter circle. Find the perimeter and the area of the fountain. Round the peri
Andrej [43]
FOUND THE COMPLETE QUESTION IN ANOTHER SOURCE.ATTACHED IMAGE.
 For this case what we have is the following:
 For the two semicircles we can model it as a complete circle.
 We have to then:
 
 Perimeter: 
 P = 2 * pi * r
 or
 P = pi * d
 Where,
 r = radius
 d = diameter
 Therefore the perimeter is:
 P = 10 * pi
 For the largest circle we have:
 radius = 10
 Perimeter:
 P '= 2pi10
 P '= 20pi
 1/4 since 1/4 circle:
 P '' = 20pi / 4 = 5pi
 Then, the total perimeter of the source is:
 Pt = P + P '' = 10pi + 5pi = 15pi
 Pt = 15 * (3.141592)
 Pt = 47.1239
 round
 Pt = 47.1 ft

 Area:
 The total area will be:
 A = A (two semicircles) + A (quarter big circle)
 A = (pi / 4) * (d ^ 2) + (1/4) * pi * r ^ 2
 A = (pi / 4) * ((10) ^ 2) + (1/4) * pi * (5) ^ 2
 A = 98.17477042 feet ^ 2
 Round:
 A = 98.2 feet ^ 2

 Answer: 
 Perimeter of the source: 
 Pt = 47.1 ft 
 Area of the source: 
 A = 98.2 feet ^ 2

5 0
3 years ago
Which one of the following would most likely have a negative linear correlation coefficient?
Alja [10]

Answer:

D

Step-by-step explanation:

RATE BRAINLIEST IF RIGHT

7 0
3 years ago
Read 2 more answers
Other questions:
  • If x = 10 and x +2y = 200.find x if 2y - 50 = x​
    14·1 answer
  • What is -3/4 times 1 1/5
    14·1 answer
  • Which product is equivalent to 25x2 – 16?
    11·2 answers
  • Identify the focus, directrix, and axis of symmetry of 11x=y^2
    14·1 answer
  • The sum of 1/2 and 6 times a number is equal to 5/6 subtracted from 7 times the number
    9·1 answer
  • An illusion is a type of
    7·1 answer
  • Help please
    12·1 answer
  • 1.64/22 with estimation and an explanation?
    5·1 answer
  • Will mark Brianliest !!!!!!!!!!!! Answer correctly please !!!!!!!!!!!!!!!!!
    6·1 answer
  • What is the quotient of 1.44 x 10°8and 6.0 x 105 expressed in scientific notation?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!