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Phổ biến 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

Lời Giải

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

Lời Giải

his speed : 180

Các bước giải pháp

Translate the problem into an equation:

180 = x \cdot 1

Giải

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

his speed : 180

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