Whzgud200 Whzgud200

30-11-2017
Mathematics

contestada

Tommy is twice as old as his younger sister.The sum of the siblings' ages is 21. Which equation can be used to determine the age of Tommy's younger sister?

Respuesta :

iammariar15 iammariar15

30-11-2017

I think its 14 because there is few siblings . 21 divided by those few is 7 , and you double 7 it makes 14. So, I believe the answer is 14. Good luck !

Answer Link

aidenoconner aidenoconner

30-11-2017

Get all the ages back to gather than list the least to greatest one your done with that fine he least and multiply it by 2

Answer Link

Otras preguntas

how can we use the study of time measurement's in our time Management?

BRAINLEST, FIVE STARS, AND 25 POINTS How did white man dehumanize the captured African slaves? (three examples)

The 7 prepositions to fill this out are de,a,en,con,sin,por,para

One natural number is 4 more than another one. The product of the two numbers is three times the square of the lesser number. Find the numbers.

Click to correct the four capitalization errors. Aunt carrie makes the best Spaghetti carbonara, which is an italian pasta Dish made with bacon, eggs, and chees

a On January 1, Rose's bank balance was $200. During the month, she wrote checks for $115.25 and $350.00 and made one deposit of $150.50. Which best represents

What element is this

what is AxBxD and A=130 B=300 and D=? and when do the multiplication do the answer x 900 and than we are done :)

select all fo the expressions that are equivilent to 6x + 1 -(3x-1)

Can anyone please help me with this problem!