Mathematics, 11.07.2019 07:30 tejasheree

It takes an air pump 4.0 minutes to fill a twin sized air mattress (39 by 8.75 by 75 inches). how long will it take to fill a queen sized mattress (60 by 8.75 by 80 inches)?

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It takes an air pump 4.0 minutes to fill a twin sized air mattress (39 by 8.75 by 75 inches). how lo...