SOLUTION: The ratio of the number of red beads to blue beads in a box was 3:1. 3 more red and 4 more beads were added and the ratio became 2:1. How many red beads were there at first?

Algebra.Com
Question 151276: The ratio of the number of red beads to blue beads in a box was 3:1. 3 more red and 4 more beads were added and the ratio became 2:1. How many red beads were there at first?
Answer by vleith(2983)   (Show Source): You can put this solution on YOUR website!







So r = 15

RELATED QUESTIONS

Hi there were a total of 522 blue , red and green beads in a box. After 66 blue beads... (answered by greenestamps)
3/5 of the beads in abox are yellow beads. The rest are red beads and blue beads. There... (answered by stanbon)
Dorian had some red and blue beads. he had 24 more red beads than blue beads. he gave... (answered by jojo14344)
Hi kim had 580 red and green beads. after she gave 1/3 of the red beads, she bought... (answered by josgarithmetic,Theo)
The ratio of the number of beads in box A to the number of beads in box B is 3:5. The... (answered by josgarithmetic)
There are 16 red beads, 24 green beads, and 20 blue beads in a box. What fraction of the... (answered by lynnlo)
Hi Sally had some red and blue beads . 40 percent of her beads were red. When she lost... (answered by greenestamps)
You can spend at most $60 on beads. A bag containing red beads costs $2 per bag. A bag... (answered by Edwin McCravy)
A box contains wood beads, red glass beads, and blue glass beads. The number of glass... (answered by ewatrrr)