Derek solved 1,400 math problems in 70 days. if derek solved the same number of math problems each day, how many math problems did derek solved each day?

Idon't want to fail summer school.the probabilities of contamination in medicine capsules due to the presence of heavy metals and different types of microbes are given in the table.the probability of capsule b having microbial contamination is (the same as, greater than, less than) the probability of capsule d having it.