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
GenaCL600 [577]
3 years ago
11

Al saves pennies. He agreed to give 3/7 of his pennies to Bev if she would give 3/7 of what she got from Al to Carl and if Carl

in turn would give 3/7 of what he got from Bev to Dani.​ Bev, Carl, and Dani agreed and Dani received 216 pennies. How many pennies did Al have​ initially?
Mathematics
1 answer:
ser-zykov [4K]3 years ago
3 0

Answer:

2744 pennies.

Step-by-step explanation:

Let x represent the number of pennies Al have initially.

We have been given that Al agreed to give 3/7 of his pennies to Bev, so number of pennies Bev will get would be \frac{3}{7}x.

We are also told that Bev gave 3/7 of what she got from Al to Carl, so number of pennies that Carl will get would be \frac{3}{7}x\cdot \frac{3}{7}=\frac{9}{49}x.

Further, Carl gave 3/7 of what he got from Bev to Dani, so number of pennies that Dani will get would be \frac{9}{49}x\cdot \frac{3}{7}=\frac{27}{343}x.

We are also told that Dani received 216 pennies. Now, we will equate 216 to \frac{27}{343}x and solve for x as shown below:

\frac{27x}{343}=216

\frac{27x}{343}*343=216*343

27x=74088

\frac{27x}{27}=\frac{74088}{27}

x=2744

Therefore, Al have 2744 pennies initially.

You might be interested in
What is the answer for this question
astraxan [27]

Answer:

6.3 kilograms

Step-by-step explanation:

Because 1 kilo is 2.2 pounds, divide 13.86 pounds by 2.2 to get 6.3 kilograms

6 0
3 years ago
Read 2 more answers
When 23 is subtracted from 5 times a certain number the result is 87
allsm [11]
5x-23=87
add 23 to both sides
5x=110
divide both sides by 5
x=22

To check your answer...
5(22)-23=87
110-23=87
87=87
8 0
3 years ago
Please help me with these two problems
vodka [1.7K]
First pic ; they are complementary angles , so C !!

second pic ; both angles are supplementary angles !! as sum is 180° !!
8 0
3 years ago
Simplest form equivalent to 3y + y + 2y - 4y
bixtya [17]

Answer:

4y+6y

Step-by-step explanation

PUT ME THE BRAINLIEST PLEASE

7 0
3 years ago
Read 2 more answers
The tape diagram represents an equation.
elena-s [515]

Answer:1.75 = 5n

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • This is a polygon. I can’t find the missing angle ?
    5·1 answer
  • A rectangular page is to contain 24 square inches of print. The margins at the top and the bottom of page are to be 1.5 inches,
    5·1 answer
  • Can I Get A Little Help Here?
    8·1 answer
  • What is the slope of a line that is parallel to the line shown
    15·1 answer
  • Solve the equation. (enter your answers as a comma-separated list.)2^−125x = (0.5)^x − 5
    10·1 answer
  • How many different ways can the letters of MOM be arranged
    8·1 answer
  • Subtract 428,731- 175 ,842
    5·1 answer
  • Nadia started at 19.26 feet below sea level and then changed her altitude by climbing a total of 5,437.8 feet up from her initia
    14·1 answer
  • PLS HELP QUICKKK its almost due
    8·1 answer
  • Which of these sets is a function ?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!