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
monitta
3 years ago
11

Three siblings- Kate, Sarah, and Dave comitted themselves to volunteer 160 hours for a homeless charity to build new housing. Da

ve worked 15 hours more than Kate. Sarah worked 20 hours fewer than Kate. How many hours did each of these siblings volunteer?
Mathematics
1 answer:
MAXImum [283]3 years ago
4 0

Answer:

Kate 55 hours

Dave 70 hours

Sarah 35 hours

Step-by-step explanation:

Let k be Kate's hours

Dave = 15 + k

Sarah = k- 20

Dave + Kate + Sarah = 160

15 + k + k + k - 20 = 160

3k - 5 = 160

3k = 165

k = 55

Kate worked 55 hours

Dave worked 70 hours

Sarah worked 35 hours

You might be interested in
Please help!!
grigory [225]

Answer: 21 weeks

Explanation: Because 25 times 20 is 500 then add 25 more and it is 21 weeks. Which equals 1,400.00.

5 0
3 years ago
Read 2 more answers
The tables show the high and low temperatures in Chicago over a 15-day period. Which set of data has the greatest RANGE?
tensa zangetsu [6.8K]

I would say the low I’m just guessing so get it checked


8 0
2 years ago
Read 2 more answers
Solve for X <br><br> Will give brainiest
ELEN [110]

Answer:

x = -3

Step-by-step explanation:

55 + x + 74 + 54 = 180

x + 183 = 180

x = -3

8 0
3 years ago
Find the value of 70% of ₹300​
anzhelika [568]

Answer:

70% of 300 is 210

5 0
3 years ago
How many 30 angles does it take to make a full turn
steposvetlana [31]
12. A full turn is 360 degrees. 360 divided by 30 is 12.
4 0
2 years ago
Read 2 more answers
Other questions:
  • Matt’s Ice Cream Shoppe has 7 cups of sprinkles to use on sundaes for the rest of the day.
    10·1 answer
  • Urgent please!!!!!!!!!!!!!!!!!!!!!
    7·1 answer
  • Order of operations
    13·2 answers
  • Translate the following statement into a mathematical equation:
    8·1 answer
  • What is the equation of the line of best fit for the following data? Round the slope and y-intercept of the line to three decima
    8·2 answers
  • How do I round up one number ow do I round up one numder
    13·1 answer
  • 100 POINT REWARD!! PLS HELP ASAP!!
    10·2 answers
  • Kevin is 2 times as old as Gabriela. 12 years ago, Kevin was 6 times as old as Gabriela. How old is Gabriela now?
    14·1 answer
  • If you are asked to complete 5 sit-ups for every 9 push-ups you complete, answer each of the following questions:
    9·1 answer
  • What is the equation of the function represented by this graph?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!