After an oil spill, the ratio of contaminated water samples to clean water samples in the ocean is 7:2. Jai found 140 clean samples.
How many fewer samples were clean than were contaminated?

The academic affairs council is the highest expert body processing academic affairs, as stipulated by the university statutes. specialist aaro häkkinen (educational policy) took part in the council’s meeting. the agenda of the meeting included bachelors’ feedback, the timing of pedagogical studies, the grant system for tuition fees, the standardisation of administrative practices for internships and the situation of foreign-language and multilingual master’s programmes.

Idon’t feel like doing the math but you need to do 2.24 divided by 7