No, Andre's calculation of 3/5×65 does not give the correct value for 80% of 65.
Andre's calculation of 80% of 65 using 3/5×65 is incorrect. The accurate method involves multiplying the given number by the percentage value divided by 100. The correct calculation is 0.8×65=52. Andre's approach using 3/5 does not align with the correct procedure for determining a percentage.
It's crucial to emphasize that calculating a percentage involves multiplying the given number by the percentage value divided by 100. Andre's use of
deviates from this standard approach. The accurate calculation for 80% of 65 is
. This discrepancy underscores the necessity of following the correct methodology to obtain precise results when dealing with percentages.