Wednesday

March 4, 2015

March 4, 2015

Posted by **TIM** on Wednesday, February 20, 2008 at 5:57pm.

- Math -
**Damon**, Wednesday, February 20, 2008 at 7:01pmP + R = 89

R + S = 80

P + S = 85

combine the first two equations by subtraction

P - S = 9

add that to the third

2 P = 94

P = 47

S = P-9 = 38

R = 80 - S = 42

check that

P+R = 47+42 = 89 yes

R+s = 42+38 = 80 yes

P+S = 47+38 = 85 yes

**Answer this Question**

**Related Questions**

Math - PAULA ,SIMON AND RANDY COLLECTED INSECTS FOR THEIR SCIENCE PROJECT. AT ...

Algebra 1 - Entomology is the scientific study of insects. Patty, Ronny and ...

Algebra 1 - Randy, Sam, Tim and Will counted the number of puzzles they had ...

Algebra - Randy, Sam, Tim and Will counted the number of puzzles they had solved...

language arts - Melissa was not going to let Randy own the whole chorus . Q . ...

Math 543 HELP!! - Randy had a sheep that started eating more and more as each ...

math - Randy had a sheep that started eating more and more as each day passed....

math - Randy had a sheep that started eating more and more as each day passed.On...

Maths - Help me pls.. Lili gave 1/4 of her money to Simon. Then Simon gave 1/5 ...

Math - Randy has one box of 12 cookies and another box of 34 cookies. Jamal has ...