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
Stels [109]
4 years ago
7

Bob is three times as old as Mary. Four years from now, Bobwill be only twice as old as Mary. Find their present ages.

Mathematics
1 answer:
wolverine [178]4 years ago
8 0
Bob is 12.
Mary is 4.
12+4 = 16. 
4+4 = 8.
16/2 = 8.
You might be interested in
6 divided by 2 times 200 multiplied by 5
kari74 [83]
6/2 = 3

3 x 200 = 600

600 x 5 = 3,000

3000 is your answer

hope this helps
6 0
3 years ago
Read 2 more answers
What is the value of cot ø= 2/3 what is the value of csc ø
yulyashka [42]

Answer:

Step-by-step explanation:

cotθ = cosθ/sinθ = 2/3

sinθ = 3/√(2²+3²) = 3/√13

cscθ = 1/sinθ = √13/3

6 0
3 years ago
Mary pumped 7 gallons of water out of her pool each minute for 63 minutes. What was the total change in the amount of water in t
ruslelena [56]

Answer:

The amount of water is 30 gallons a minute

5 0
3 years ago
Read 2 more answers
on a map the distance between two mountains is 5 1/2 inches. the actual distance between the mountain is 136 miles. Russ is camp
enot [183]

136 /5.5 = 24.73 so every 1 inch on the map is around 24.73 miles

24.73 * 0.75 = 18.55

 he is about 18 1/2 miles away

3 0
4 years ago
during the fall a pumpkin patch advertises four pumpkin for $11.oo which equation below respresents this proportional relationsh
ArbitrLikvidat [17]

Answer:

11x4=44

Step-by-step explanation:

4 0
3 years ago
Other questions:
  • Given the polygon containing Point P . point P is rotated 90 about the origin. its image is
    12·2 answers
  • WILL GIVE BRAINLIEST ASAP AND MAX POINTS
    5·1 answer
  • Need Help!!! ASAP
    15·1 answer
  • Write a description that re<br>at represents the<br>equation 7(a + 2) = 91.​
    7·1 answer
  • Evan spent 20 hours doing homework last week. This week he spent 25 hours doing homework. He says that he spent 125% more time d
    5·1 answer
  • If the band sells 100 series A ticket and 13000 series B tickets they will earn $865000. Write an equation to represent this sit
    5·1 answer
  • 1. Label all vertices on trapezoid A B C D.
    11·1 answer
  • C is directly proportional to d such that
    12·1 answer
  • Solve If QR = 6x + 1, PR = 14x - 13, and PQ = 5x - 2, find PR
    7·1 answer
  • Question 4
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!