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Ronch [10]
3 years ago
10

Average movie prices in the United States​ are, in​ general, lower than in other countries. It would cost ​$78.73 to buy three t

ickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost ​$75.02. How much does an average movie ticket cost in each of these​ countries?
Mathematics
1 answer:
likoan [24]3 years ago
4 0

Average movie ticket cost in Japan = $17.23

Average movie ticket cost in Switzerland = $ 13.52

Step-by-step explanation:

Let <em>x</em> be the cost of movie ticket in Japan and <em><u>y</u></em> be the cost of movie ticket in Switzerland.

Given 3 ticket in Japan + 2 tickets in Switzerland = $78.73

              ⇒ 3<em>x</em> + 2<em>y</em> = 78.73 – – – – (1)

Given 3 ticket in Switzerland + 2 tickets in Japan = $75.02

              ⇒ 3<em>y</em> + 2<em>x</em> = 75.02

              ⇒ 2<em>x</em> + 3<em>y</em> = 75.02– – – – – (2)

Now, to solve (1) and (2), we multiply equation (1) by 2 and equation (2) by 3.

(1) × 2 ⇒       6<em>x</em> + 4<em>y</em> = 157.46 – – – – (3)

(2) × 3 ⇒       6<em>x</em> + 9<em>y</em> = 225.06 – – – – (4)

Subtract (3) from (4), we get

6<em>x </em>+ 9<em>y</em> – (6<em>x</em> + 4<em>y</em>)= 225.06 – 157.46

⇒ 6<em>x</em> + 9<em>y</em> – 6<em>x </em>– 4<em>y</em>= 67.6

⇒ 5<em>y</em> = 67.6

⇒ <em>y</em> = 13.52

Now substitute <em>y</em> = 13.52 in equation (1), we get,

(1) ⇒ 3<em>x</em> + 2(13.52) = 78.73

⇒ 3<em>x</em> = 78.73 – 27.04

⇒ <em>x</em> = 27.23

Hence, Average movie ticket cost in Japan is $27.23

Average movie ticket cost in Switzerland is $ 13.52.

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