140, 280, 490, yes. 230, 330, 610, no.
The GCF of 140 and 490 is 70.
The LCM is 980.
To find 20 percent of a number, multiply the number by 0.2. In this instance, 0.2 x 490 = 98. Therefore, 20 percent of 490 is equal to 98.
980
To find 140 percent of a number, multiply the number by 1.4. In this instance, 1.4 x 140 = 196. Therefore, 140 percent of 140 is equal to 196.
529
To find 140 percent of a number, multiply the number by 1.4. In this instance, 1.4 x 20 = 28. Therefore, 140 percent of 20 is equal to 28.
The LCM is: 980
To find 140 percent of a number, multiply the number by 1.4. In this instance, 1.4 x 600 = 840. Therefore, 140 percent of 600 is equal to 840.
To find 140 percent of a number, multiply the number by 1.4. In this instance, 1.4 x 68 = 95.2. Therefore, 140 percent of 68 is equal to 95.2.
490 is an even number.