 
 <translate> If there were 150 members in the group before the admin removed 20, then 150 - 20 = 130 members remained after 20 were removed. The group members each posted 50 messages in a day, a total of 50 * 130 = 6500 messages. In a week, with seven days, the group members would have posted 6500 * 7 = 45500 messages. Final answer: 45500. <hau> Idan akwai mambobi 150 a cikin kungiyar kafin mai gudanarwa ya cire 20, to 150 - 20 = mambobi 130 sun kasance bayan an cire 20. Kowane memba na rukunin ya aika saƙonni 50 a rana, jimlar 50 * 130 = saƙonni 6500. A cikin mako guda, tare da kwana bakwai, membobin kungiyar za su sanya sakonni 6500 * 7 = 45500. Amsar karshe: 45500. 