Answer:
39 tables
Step-by-step explanation:
Given:
third grade= 134
fourth grade=167
total=134+167=301
Now no. of students is 7 times no. of adults,
no. of adults= 301/7
=43
Total no. of people =301+43
=344
Each picnic table can seat 9 people, so
No. of tables for 344 people= 344/9
=38.222
39 tables picnic tables will need to be set up for the picnic!