A bag contains 40 red and green marbles. The number of green marbles, g, is 9 times the number of red marbles, r. How many red marbles are in the bag?
im being timed, please help me!
Answers
Answered by
8
Answer:
Let no red marbles =r
Let no green marbles =g
The no of green marbles is 9 times the no of red marbles so..
g=9×r
g+r=40
9×r + r =40
10r = 40
r = 40/10
r = 4
g + r = 40
g + 4 =40
g = 40 - 4
g = 36
So
r=4
g=36
Answered by
5
Answer:
Red marbles are 4 and green are 36
Step-by-step explanation:
let no. of red marbles= r
let no. of green marbles= g
green marbles are 9 times of red marbles= g=9r
r + g = 40
r + 9r = 40
10r =40
r= 4
g=9r
g=9×4=36
g=36
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