Jack's Regular work week is 40 hours. one week he worked 4/5 of the time. How many hours did he work that week?

Well, if Jack's regular work week is 40 hours, and he worked 4/5 of the time, then we can calculate the hours he worked by multiplying his regular work week by 4/5. So, 40 * 4/5 is... wait for it... (40 * 4) / 5... which equals 32 hours! Jack worked a total of 32 hours that week.

4/5 = 8/10 = 0.8

40.00*0.8 = ?

Or ... with all fractions:

40/1 x 4/5 = 160/5 = ??

dsv

To find out how many hours Jack worked that week, we can multiply the number of hours in his regular work week by the fraction representing the portion of time he worked.

Step 1: Multiply the regular work week by the fraction representing the time Jack worked.
Regular work week = 40 hours
Time Jack worked = 4/5

40 hours x 4/5 = (40 * 4) / 5
= 160 / 5
= 32

Therefore, Jack worked 32 hours that week.