0.5714
1, 2, 4, 7, 14, 28, 49, 98, 196.
The percent of decrease is the amount it has decreased by. 49-28 is 21, so set up 21/49 to x/100. Cross multiply to get 2100 = 49x, then divide both sides by 49. From this you get about 42.857, so the percent of decrease is 42.857%.
The lcm of 28 and 49 is 196. The gcf of 28 and 49 is 7.
49 + 28 = 77
LCM of 49 and 28 is 196.
196 can be divided evenly by these numbers: 1 2 4 7 14 28 49 98 and 196.
21
49 multiplied by 28 is 1,372.
-35
The factors of 28 are 1, 2, 4, 7, 14, and 28 because these numbers can be multiplied together to equal 28. The factors of 49 are 1, 7, and 49 because these numbers can be multiplied together to equal 49. Factors are numbers that can divide a given number without leaving a remainder.
Four sevenths of 49 is (49÷7)×4 and the answer is 28
The highest common factor of 28 and 49 is 7. This is because 7 is the largest number that can evenly divide both 28 and 49 without leaving a remainder. To find the highest common factor, you can list out the factors of each number and identify the largest number that appears in both lists.