tolong di bantu rata rata nya berapa .

Rata-rata
282+568+1001+144+725+292+588/25
= 144 (C)

141x2=282
142x4=568
143x7=1001
144x1=144
145x5=725
146x2=292
147x4=588
--------- +

=3600:25=144cm (c)