Mathematics, 09.05.2021 14:00, Rusven

Dema's truck gets 32 mpg on the highway and 18 mpg in the city. The amount of gas he uses A (in gal) is given by A=118c+132h, where c is the number of city miles driven and h is the number of highway miles driven. If Dema drove 45 mi in the city and used 8 gal of gas, how many highway miles did he drive?

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Dema's truck gets 32 mpg on the highway and 18 mpg in the city. The amount of gas he uses A (in gal)...