Mathematics, 07.02.2021 01:00, kbuhvu

There are some red counters and some yellow counters in a bag in the ratio 1 : 5 There are 20 yellow counters in the bag.
Janet puts some more red counters into the bag.
The ratio of the number of red counters to the number of yellow counters is now 1 : 2
How many red counters does Janet put into the bag?

Answers: 1

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There are some red counters and some yellow counters in a bag in the ratio 1 : 5 There are 20 yello...