On average, people of a certain country spend 20.5 hr per month watching videos on a computer or on a television. They spend 2.1 more hours watching videos on a television than on a computer. How much time do they spend on each?

Question

Mathematics

Damari Sparks

18 January, 12:20

On average, people of a certain country spend 20.5 hr per month watching videos on a computer or on a television. They spend 2.1 more hours watching videos on a television than on a computer. How much time do they spend on each?

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Answers (1)

Know the Answer?

Hannah · Answer 1

Computer: 9.2

Television: 11.3

Step-by-step explanation:

T=television

C=computer

T+C=20.5

C+2.1=T

Subs C+2.1=T into T+C=20.5,

C+C+2.1=20.5

2C+2.1=20.5

2C=18.4

C=9.2

Subs C=9.2 into C+2.1=T,

9.2+2.1=T

T=11.3