SOLUTION: June, marie, and Billy each have a collection of marbles. June has 20 more marbles than Billy, and Maria has 3 times as many marbles as Billy. If altogether they have 100 marbles,

Algebra ->  Probability-and-statistics -> SOLUTION: June, marie, and Billy each have a collection of marbles. June has 20 more marbles than Billy, and Maria has 3 times as many marbles as Billy. If altogether they have 100 marbles,       Log On


   



Question 276135: June, marie, and Billy each have a collection of marbles. June has 20 more marbles than Billy, and Maria has 3 times as many marbles as Billy. If altogether they have 100 marbles, how many marbles does Billy have?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
j+b+m=100
j=b+20
m=3b
b=16
j=36
m=48