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Maru [420]
4 years ago
13

Write and solve a system of equations to solve the problem. At a film festival, Film A is 4 times as long as Film B. Together, t

he films are 160 minutes long. How long is each film?
Mathematics
1 answer:
ElenaW [278]4 years ago
6 0

Answer:

Each film is 20 min. long

Step-by-step explanation:

4x/2 = 160

(4x/4)/2 = (160/4)

      2x = 40

(2x/2) = (40/2)

     x = 20

Each film is 20 min. long

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So R = Q ∪ I

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3 years ago
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