Math, asked by deepakkumarpatro, 1 year ago

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 rikhilg
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.
deepakkumarpatro: Please answer this.
Answered by darklegend1050
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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