Adigit in the hundredths place has 1/10 the value of the same digit in the tenths place always never sometimes pick one

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

I'll give brainliest if you answer right : )

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.