某车间加工一批零件,8人3天完成96个,那么15人8天可以完成多少个?
96÷8÷3×15×8
=96÷3×15,
=32×15,
=480(个);
答:15人8天可以完成480个.
每个包装物的高度和毛重有何要求
A tourist will easily lose his way in Shanghai_____ he has a map or a guide.
A.if
B.since
C.while
D.unless