+176 Sabrina received a number of a text messages on her mobile phone. 5/9 of them were from her colleagues , 2/7 of them were from her family members and 1/5 of the remaining text messages were from her friend, Teri.
There were a total of 371 text messages from her colleagues and her family members. How many test messages did Sabrina receive from Teri?
Sabrina received total 371 text messages
5/9 of them from Colleges
2/7 of them from family member
Total text messages from Colleges and
family member = \( ({5 \over 9} + {2 \over 5 })371\)
=\( ({35 + 18\over 63})371\)
=\(({53 \over 63}) 371 = 312 * 11\)
Remaining texts as 371 - 312
= 59
She got 1/3 of remaining texts from Teri
i.e, 59 * 1/5 = 11.8 ~ 12
She got 12 messages from Teri.
