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?
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6 possible ways to order 3 couples in a rowGiven,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 is no change in position between the couples.So, we get three persons in total.Possible ways to order these three persons will be like this: 3! = 3×2×1= 6Learn more about seating arrangement here ; https://brainly.com/question/10702719#SPJ4