Posted by **ilovepink** on Thursday, October 15, 2009 at 4:25pm.

Sarah is two-thirds as old as Jenny. Jenny is 7 years older than Sarah. Which system of equations could be used to find the girls’ ages?

A. 3s – 2j = 0

j – 7 = s

B. j = 2/3s

s + 7 = j

C. j – 2/3 = s

j – s = 7

D. 2/3j = s

j + 7 = s

## Answer This Question

## Related Questions

- math - can you solve this equation by using simultaneous equations and can you ...
- math - help me plz - can you solve this equation by using simultaneous equations...
- geometry - if sarah gets enough money to go to a movie, jenny will go. if jenny ...
- Math - Two old friends meet. They hadn't seen each other in 22 years. Betty is 6...
- Statistics - jenny is 5'10" tall. the heights of the girls in the school are ...
- algebra - sarah is twice as old as katie. 10 years ago, the sum of their ages ...
- maths - sarah, tom and johns were all friiends. sarah and john were surprised to...
- math - May has 10 fewer marbles than Albert. May has 5 more marbles than Jenny...
- French: TO MS SUE OR ANY FRENCH HELPER - Please check & correct my mistakes: In ...
- Pre-Algebra - Jenny buys an 18'sandwich. Demi gets 1/2 the amount the Jenny gets...

More Related Questions