Suppose the six people consist of three mar- ried couples and each couple wants to sit together with the older partner on the left. how many ways can the six be seated together in the row?

6 possible ways to order 3 couples in a row

Given,

We have three married couples. that is six persons in total.

a, b, c, d, e, f may taken as the six persons.

Considering the statement:

Elder partner on the left, assume a, c and e as elders.

Then we have, (a, b) —— ( 1)

(c, d) —— (2)

(e, f) —— (3)

There isno change in position between the couples.

So, we get three persons in total.

Possible ways to order thesethree persons will be like this: 3! = 3×2×1

3 couplesin a rowthree married couples. that issix personsin total.six persons.a, candeas elders.three personsin total.seating arrangementhere ; https://brainly.com/question/10702719