###Human: Brendan can cut 8 yards of grass per day, he bought a lawnmower and it helped him to cut more yards by Fifty percent per day. How many yards will Brendan be able to cut after a week?, ### Assistant: The additional yard Brendan can cut after buying the lawnmower is 8 x 0.50 = 4 yards.
So, the total yards he can cut with the lawnmower is 8 + 4 = 12.
Therefore, the total number of yards he can cut in a week is 12 x 7 = 84 yards. 
 So the answer is :  84