Answer:
yes
Explanation:
Calculate the circumference (C) using
C = πd ( d is the diameter )
= 180π cm
Each guest needs 70 cm, thus
180π ÷ 70 ≈ 8.078 ← number of guests at 1 table
18 × 8.078 = 145.404 ← number of guests at 18 tables.
There is enough tables to seat 145 guests