Thomas has finished 4 problems of his weekly math homework. if he needs to solve a total of 20 problems which of the following shows the equivalent of the percentage of his math homework thomas still needs to complete
A. 20/100
B. 80/100
C. 0.20
D. 0.08
To find the percentage, divide the number of problems Thomas still needs to complete by the total number of problems and multiply by 100.
Number of problems Thomas still needs to complete = 20 - 4 = 16
16 / 20 = 0.8
0.8 * 100 = 80
Therefore, the equivalent of the percentage of his math homework Thomas still needs to complete is 80/100 (B)