问一道英语奥数题

题目

问一道英语奥数题
One day,Lily tows（牵）a fat sheep,come to Jim and says:" Is there about 100 sheep in your sheepfold?" Jim says:" if these sheep first adds the same number of sheep,then adds half number of these sheep,next adds one fourth of these sheep,at last adds your sheep,the number of sheep can be 100.Who can help Lily to count how much sheep does Jim have now?

答案

2又3/4乘x+1=100
答案36