1, 2, 4, 5, 8, 10, 20, 40
80%
50% of 40 is 20.
percentage = 45%% rate:= 18/40 * 100%= 0.45 * 100%= 45%
Factors of 90 will be factors of 180.
factors: 1, 449prime factors: 449
1,2,4,5,8,10,20,40 1,3,5,9,15,45
1 and 2
40 20,2 10,2,2 5,2,2,2
1600
200
80%
2
$20
8/40 is 0.2 or 20%
50% of 40 is 20.
The GCF is 20.
Three fourths of 40 is 30