Aplane has 360 total seats, which are divided into economy class and business class. for every 13 seats in economy class, there are 5 seats in business class.

13 +5 =18

360/18=20

13*20 = 260

5*20 =100

260 economy & 100 business

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

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step-by-step explanation: