At 65 km / h, Gray can reach hone in 50 minutes. At what speed should he drive his car so that can reach home 10 minutes earlier?

Question

At 65 km / h, Gray can reach hone in 50 minutes. At what speed should he drive his car so that can reach home 10 minutes earlier?​

sangilneo45 · Answer

Answer:78 km/h Step-by-step explanation:40 minutes is 20% of 50 so we multiply 65 and .2 to get 13 then 65 + 13 = 78

At 65 km / h, Gray can reach hone in 50 minutes. At what speed should he drive his car so that can reach home 10 minutes earlier?​