If the speed of sound is 344 meters per second, what is the approximate speed of sound, in meters per hour?

Since we already know the speed of sound is 344 meters per second, and there are 60 seconds in a min, and 60 mins in an hour, you multiply 344x60x60 and get an answer of 123,840

Step-by-step explanation:

y=4 or, Jane builds 4 swings in 10 days.

Step-by-step explanation:

In this problem we have some given information:

x= time to build swings

y=number of swings built

We also know the equation that represents this problem is a rate of 0.4x or:

y=0.4x

Now, to solve, since we are determining how many swings (y) in 10 days (the time, x) We plug in 10 for x.

y = 0.4(10)

Solve the equation by multiplying:

.4 x 10 = 4

This leaves us with:

y = 4