Harish had red marbles and green marbles in the ratio 1:2. He bought 12 more red marbles. Now the ratio of red marbles to green marbles became 2:1. How many GREEN marbles did he have?
Answers
Answered by
5
Answer:
8 green marbles
Step-by-step explanation:
red marbles: x
green marbles: 2x
now, 12 more red marbles;
x+12 red marbles.
ratio: (x+12)/2x = 2/1
x+12 = 4x
x=4
green marbles: 2x = 2*4= 8 marbles
That's your answer
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deepakkumarpatro:
A printing press takes exactly 90 minutes to print 105 dictionaries. How many dictionaries can it print in 240 minutes at the same rate? Also If the cost of printing a dictionary: number of pages in a dictionary is 3: 1, find the total cost for the dictionaries printed in 240 minutes.
Answered by
0
Answer:
8 green marbles
Step-by-step explanation:
red marbles:
green marbles: 2x
now, 12 more red marbles;
x+12 red marbles.
ratio: (x+12)/2x = 2/1
x+12 = 4x
x=4
green marbles: 2x = 2*4= 8 marbles
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