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Josh and Alice both play their guitars in a band. The band plays for 90 minutes. Josh plays his guitar for 80% of this time. Alice plays her guitar for of this time. Who plays the guitar for the longer time, Josh or Alice?

Respuesta :

Answer:

Josh played guitar for a longer time

Step-by-step explanation:

Josh plays band for 80% of the total band time i.e 90 minutes

Time in minutes for which Josh played the guitar

[tex]= \frac{80}{100} * 90\\= 72[/tex]

Thus, Josh played the guitar for 72 minutes.

Time left for Alice to play guitar

[tex]= 90 - 72 = 18[/tex] minutes.

Hence, we can say that Josh played guitar for a longer time

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