39 plus 89 plus 80 is equal to 208.
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The hypotenuse of the right angle triangle is 89 units in length
80 percent of 89 = 71.280% of 89= 80% * 89= 0.80 * 89= 71.2
80 * 39 % = 80 * .39 = 31.2
The average is all the numbers added together and then divided by the # of numbers.(80+85+90+88+86+83+89+70)/8=671/8=83.875Order of operations has the brackets first and then the division.
The Least Common Multiple (LCM) of 89 and 39 is 3,471.