Since 80 is a factor of 1680, it is automatically the GCF.
LCM(105, 80) = 1680
10% = 168, 20% = 336 so 80% = 1680 - 336 = 1344
1680
1,680 x .80 (80%) = 1,344
The GCF is 80.
The GCF is 120.
The GCF is 8.
The GCF is 4.
80% of 2100 = 80% * 2100 = 0.8 * 2100 = 1680
It is: 1680
1680
gcf of 80 and 100 is 20.The GCF is 20.