Bob's gift shop sold a record number of cards for Mother's Day, One salesman sold 44 cards, which was 20% of the cards sold for Mother's Day. How many cards were sold
for Mother's Day?

an = 22 + (n-1) *6

110 seats

step-by-step explanation:

an=a1+(n-1)(d)

a1 = 22   this is the first item in the sequence

d =6   this is how the sequence goes up

a)   an = 22 + (n-1) *6

b) a12 = 22 + (12-1) *6

    a12 = 22+11*6

  a12 = 22 +88

  a12 = 110

in total they made   333.74 your welcome : d