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

Which of the following changes will decrease the rate of collisions between gaseous molecules oftype A and B in a closed container? A. decrease the volume of t

Mary is making a pinata that has a ball-like shape. The pinata has a surface area of 40 feet. Use the formula for the surface area of a sphere: (S=4πr^2) to fin

How do u answer 3(x+2)=x-18

The school concert raised $1360 from the sale of 400 tickets. If adult tickets cost $5 and student tickets $3, how many student tickets were sold?How many stude

What is a federal scout

shayla says that one kilometer is equal to one million millimeters. is She correct? explain why?

How do you solve x²-10x+9=0 by completing the square?

what type of monkey starts with an h?

Explain the statement that waves cause both constructive and destructive change to the shore line

Which statement is true of a placenta? a. The placenta passes oxygen, nutrients, and other useful substances from the fetus to the mother. b. The placenta passe