There we only red counters and blue counters in a bag.

Joe takes at random a counter from
The probability that the counter is red is 0.65

Joe puts the counter back into the bag,

Mary takes at random a counter from the bag,
She puts the counter back into the bag

There are 78 red counters in the bag
How many blue counters are there in the bag?
2 marks

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.