ranerug0 ranerug0

02-07-2018
Mathematics

contestada

Two cars are driving toward each other with the speeds 30 mph and 40 mph respectively. If the distance between them are 350 miles, after how many hours they will meet?

Respuesta :

musiclover10045 musiclover10045

02-07-2018

Time = Distance / speed

Let X = number of hours.

Car 1 is driving 30 miles per hour for X hours, so you have 30x.
Car 2 is driving 40 miles per hour for x hours, so you have 40x.

30x +40x = 70x

70x = 350 miles
x = 350 / 70
x = 5

They will meet in 5 hours

Answer Link

Otras preguntas

Read the passage. In 1856, the government was taking steps to create a public-school system. Progressing, the legislature passed the first public-school law in

Which statements are true? Select all that apply. ((( giving brainliest pls answer 1. Centigrams are larger than decigrams. 2. Hectometers are smaller than kilo

How do temperature changes lead to solubility changes for salt dissolved in water? (1 point) A. High temperatures mean more kinetic energy, which keeps sodium a

What is a normal school

16. The value of sin² 5° + sin² 10° + sin² 15° + … + sin² 90° is equal to explain in better way ok

At a certain altitude a barometer using water (density 0.99g0cm³) as the barometric liquid gave a pressure that was recorded as 85cm H2O. if be a we density 0.8

Select the correct answer. Is the boxed word a SUBJECT or a VERB? Will we need our driver's licenses for the application? OA. Subject OB. Verb

Imani has 2 part-time jobs. One pays $7.50 per hour for dog grooming, and the other pays $8.25 per hour at a grocery store. Help her find a way to earn (exactly

Why is it not necessary to give Hepatitis A vaccine to children in some cases?

While studying Egyptian art, your class has learned several terms. Unfortunately, they are all getting confused by your classmate Dara. You offer to help. You t