4 / 5 times 7.7 + 3.3 times 0.8 minus 80%, why one? 4/5*7.7+3.3*0.8--80% =0.8*(7.7+3.3-1) =0.8*10 =8 Why cut one?

4 / 5 times 7.7 + 3.3 times 0.8 minus 80%, why one? 4/5*7.7+3.3*0.8--80% =0.8*(7.7+3.3-1) =0.8*10 =8 Why cut one?


4/5*7.7+3.3*0.8--80%
=0.8*(7.7+3.3-1)
=0.8*10
=8
80%=0.8
One less is 80 percent less



How much is 1 plus 3 plus 5 plus 5 plus 8 divided by 15 minus 13


23



3 minus 1 / 3 times 5 / 6 times 1 / 2 and so on


3-1/3x5/6x1/2
=3-5/36
=103/36