ko

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

인기 있는 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

해법

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

해법

his speed : 180

솔루션 단계

Translate the problem into an equation:

180 = x \cdot 1

x

해결 대상

, 180 = x \cdot 1 : x = 180

his speed : 180

인기 있는 예

Zweli wants to buy an ordinary annuity that pays R6 000 a year for the next 20 years. The expect annual interest rates will be 6% over that time period. what is the 최대 he will pay for annuity?21 trucks and 35 cars equal how many tires The 지름 of a circle is 16 ft. Find its area in terms of pipi.Tim has been saving for a down payment on a car. He invested 4,000 in an account earning 2.5% interest compounded semi-annually. After 7 years, he is ready to buy his new car. How much does he have in his account for a down payment?The 지역 of a rectangular pool is 6716m^2 :If the width of the pool is 73m , what is its length?