Queenxde Queenxde

04-08-2017
Mathematics

contestada

NEED HELP!!! 80 POINTS! (sike)

At the airport, ten people are waiting on standby. Two seats become available, one first class and one coach. How many ways are there to fill the two seats?

A. 10
B. 20
C. 45
D. 90

Respuesta :

musiclover10045 musiclover10045

04-08-2017

1st seat there are 10 people so 10 different ways to fill it

2nd set there are 9 people left so 9 different ways to fill it

10 x 9 = 90

there are 90 ways to fill the seats

Answer Link

blairmelissa280 blairmelissa280

04-11-2019

Answer:

d. 90

Step-by-step explanation:

Answer Link

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