Problema Solution
The number of red beads Sheila has is 4 times as many as the number of green beads she has. There are 75 red and green beds. How many red beads does Sheila have?
Answer provided by our tutors
Let
r = the number of red beads
g = the number of green beads
Sheila has is 4 times as many as red beads as the number of green beads:
r = 4g
There are 75 beads altogether:
r + g = 75
We have the following system of equations:
r = 4g
r + g = 75
........
click here to see the system of equations solved for r and g
........
r = 60 read beads
g = 15 green beads
Sheila has 60 read beads.