A square desk can seat four people, one on each side. If you push two desks together, you can fit six people. Three desks pushed
together can seat eight people. How many people can sit at 51 tables pushed together?
a. 204 people
b. 202 people
c. 104 people
d. 102 people
1 answer:
Answer:
Option c. 104 people
Step-by-step explanation:
For 1 desk : 4 people
For 2 desks: 6 people
For 3 desks: 8 people
<em>For 51 desks: </em>
<em>We can see the pattern in the number of people that can be seated on the tables. </em>
Using arithmetic series: 4,6,8,....
a(n) = a1 + (n-1)d
n = 51
d = a2 - a1 = 6 - 4 = 2
a(51) = 4 + (51 - 1) 2
= 4 + (50)2
= 4 + 100
= 104
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