Ireally need it. complete the table with the number of sit-ups you have to do sunday so that the mean number of sit-ups per day is 100 monday- 100 tuesday-65 wednesday-120 thursday-150 friday- 90 saturday-0 sunday- ?

175 sit-ups were done on Sunday because 100*7 is 700, and if you add up Monday-Saturday, you get 525, but in order for the mean to be 100, you must subtract 700 from 525 to get 175.

x > 1.3

step by step:

8.5−0.9x> 9.8−1.9x

step 1: simplify both sides of the inequality.

−0.9x+8.5> −1.9x+9.8

step 2: add 1.9x to both sides.

−0.9x+8.5+1.9x> −1.9x+9.8+1.9x

1x+8.5> 9.8

step 3: subtract 8.5 from both sides.

1x+8.5−8.5> 9.8−8.5

1x> 1.3

step 4: divide both sides by 1.

1x/1 > 1.3/1