cjhsmelodyp6p2kd cjhsmelodyp6p2kd

02-07-2018
Mathematics

contestada

Jim paddles from one shore of a lake 3 miles wide at 4mph, and John paddled from the opposite shore at 5mph . How long will they travel before they meet ?

Respuesta :

musiclover10045 musiclover10045

02-07-2018

Let X = time

Jim paddles 4 mph for x time = 4x
John paddles 5 mph for x time = 5x

write an equation: 4x +5x = 3 miles

9x = 3 miles

Divide both sides by 9:

x = 3/9

x = 1/3 of an hour = 20 minutes.

Answer Link

Otras preguntas

Punctuate the following passages and rewrite them.1. the king thought for a moment then he said open all the windows a few bees which were outside the palace r

find the equation of the line shown

what is rule of law

help pls i’m very confused

mon sujet prefere home work pls help me

A normal distribution has \mu = 65 and \sigma = 10. Find the probability that the average score of a group of n = 4 people is between 70 and 75 (both limits inc

Take the gram seeds. Divide the seeds into three sets A, B and C. ➢ Put the seeds of set A onto the moist cotton. ➢ Soak the seeds of set B in the water overnig

simplify the ratio 4.5: 3 1/2 in its simplest form

how do means and resources affect the development process of a country

why is unit of power is called derived unit?