What's the quotient of four fifths of 4.5 minus 1.5 divided by 2.1? The difference between eight percent of 250 and three times of a number is exactly 3.2 What's the quotient of 4.5 minus 1.5 divided by 2.1? The difference between 8% of 250 and 3 times of a number is exactly 3.2?

What's the quotient of four fifths of 4.5 minus 1.5 divided by 2.1? The difference between eight percent of 250 and three times of a number is exactly 3.2 What's the quotient of 4.5 minus 1.5 divided by 2.1? The difference between 8% of 250 and 3 times of a number is exactly 3.2?

1、(4.5×4/5-1.5)÷2.1
=(3.6-1.5)÷2.1
=2.1÷2.1
=1
2、(250×8%-3.2)÷3
=(20-3.2)÷3
=16.8÷3
=5.6