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受欢迎的 Word Problems >

a man travels 180km from the farm to town. on the return journey he traveled 30km per hour faster. he saves one hour on the return journey. at what speed did he go to town

解答

a man t r a v e l s 180 km f ro m t h e f a r m t o t o w n . o n t h e re t u r n j o u r n ey h e t r a v e l e d 30 km p er h o u r f a s t er . h e s a v es o n e h o u r o n t h e re t u r n j o u r n ey . a t w ha t s p ee d d i d h e g o t o t o w n

解答

his speed : 180

求解步骤

Translate the problem into an equation:

180 = x \cdot 1

求解

x, 180 = x \cdot 1 : x = 180

his speed : 180

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