ariellopez2301 ariellopez2301

02-02-2019
Mathematics

contestada

the sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.

Respuesta :

tramserran tramserran

02-02-2019

Answer: 1st train = 364 mph, 2nd train = 356.2

Step-by-step explanation:

Train 1: x + 7.8

Train 2: x

Train 1 + Train 2 = Sum

x + 7.8 + x = 720.2

7.8 + 2x = 720.2

2x = 712.4

x = 356.2

Train 1: x + 7.8

= 356.2 + 7.8

= 364

Answer Link

Otras preguntas

what is the difference between closed-end credit and open-end credit

Serous membrane is what type? Epithelial or connective?

what were the 4 major causes of imperialism?

Sentence using "preliminary"? Please use an easy one so I can actually draw it, too :PThanks in advance :)

What is the velocity of an object that has a mass of 2.5 kilogram and a momentum of 1,000 kg·m/sec?

What is sociocultural ?

A phone company uses the equation y=0.15x+10 to find y the monthly charge for a customer sending x text messages. How many text messages are sent if the monthly

What energy is transfomed that takes place you lifting a chair?

ray wants the larger of two aquariums.One aquarium has 20 in. by 20 in. and has a height of 18 inches.The other aquarium has a base that is 40 in. by 12in. and

help help help help!