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The school has 6 rows of lockers. Each row has 35 lockers. For the first 5 rows, all of locker are taken. For the last row, 3/5 of the locker are taken , 3/4 of all locker that are taken have decorated name tag. How many locker at school have decorated name tags.
a) 145
b) 141
c) 143
d) 147