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
poizon [28]
3 years ago
14

David is twice as old as rick. The sum of Ricks age and davids age is 81. How old is Rick?

Mathematics
2 answers:
VLD [36.1K]3 years ago
6 0
Rick is 27 years old. Pretend D is David and R is Rick

D+R=81

D=2R

2R+R=81  ---> 3R=81 ---> 81/3=R   R=27   3(27)=81 TRY IT!
allsm [11]3 years ago
3 0
The answer is 40.5 hoped I helped
You might be interested in
I said certified freak
Scrat [10]

Answer:

7 days a week

Step-by-step explanation:

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

4 0
2 years ago
Read 2 more answers
5x<br><br> 7x − y + 4<br><br> y − 7x
Ede4ka [16]
-39 HAHA HOPE I HELPED
7 0
3 years ago
**Interest Rate** ¥1,000,864 balance, 5% monthly rate, over a 10 year span, What is the final balance?
lora16 [44]
Find 5% x 12 x 10 then add the number you got to the ¥1,000,864
3 0
3 years ago
The distance traveled can be calculated using the formula D
Dmitry [639]
Maybe b 60 km/hr for 2 hours
3 0
3 years ago
How to rotate a triangle 90 degrees counter clockwise about the origin
stepladder [879]
How to rotate a shape 90 degrees clockwise about the origin?

<span>Plot the point M (-2, 3) on the graph paper and rotate it through 90° in a clockwise direction, about the origin. Find the new position of M. Solution: When the point is rotated through 90° clockwise about the origin, the point M (h, k) takes the image M' (k, -h).
-join the gvcci gang</span>
4 0
3 years ago
Read 2 more answers
Other questions:
  • Solving systems by substitution: <br><br> Y=4x-17 <br> 4x+6y=10
    15·2 answers
  • Use the expression below to write an equivalent expression in standard form, and collect like terms.
    9·1 answer
  • Plz answer all these questions for me I really need help
    8·1 answer
  • LESS THAN 2 MINUTES HELP ME QUICK!!!
    6·1 answer
  • Use the definition of a derivative to find f’(x).
    12·1 answer
  • Which algebraic expressions are polynomials
    10·1 answer
  • What is the ratio of pennies to dimes in a daller
    5·2 answers
  • Helpppp and explain///////////////////////////
    13·1 answer
  • At a track meet , 10 different runners compete in the 1600m run.
    15·1 answer
  • Find the value of 4!.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!