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eduard
3 years ago
13

PLEASE HELP URGENTLY!

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
6 0

Answer:

11

Step-by-step explanation:

1+red/3=4/1 so 1+red=12 so red=11. we should add 11 red counters

stiv31 [10]3 years ago
4 0

Answer:

Add 15 red counters

Step-by-step explanation:

Number of red counter is 1

Number of blue counter is 3

1:3⇒4:1

Now to make ratio reverse you need to add 11 (12-1) more red counters so that ratio becomes

12:3=4:1

hope this helps

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