Question

on the fastest speedways, some drivers reach average speed of 3 miles per minute. Write a formula that gives the number of miles M that such a driver would travel in x minutes. How far would this driver travel in 33 minutes?
The formula is M=___
The distance is ___ mi.

Answer 1

okay if you drive 3 miles in one minute, how many miles will you travel in 2 minutes?

Answer 2

6

Answer 3

okay good. how many miles would you travel in 3 minutes?

Answer 4

I get that I multiply but I think I am confused by the question. I got 66 miles but I guessnI am confused by the distance

Answer 5

distance is basically how much you travel in a certain time. so you travel a distance of 3 miles in one minute.

Answer 6

so how many miles would you cover in x minutes?

Answer 7

That is what I am confused by the only thing I can come up with is 33 miles is 66 minutes

Answer 8

I am sorry 99 minutes

Answer 9

99 minutes? or miles?

Answer 10

99 miles in 33 minutes

Answer 11

okay good.
so what is the relationship between M and x?

Answer 12

M=99
33mi

Answer 13

3 miles --> 1 minute
M miles---> x minutes
what is the relation between M and x?

Answer 14

Ireally don't know

Answer 15

okay. in one minute you travel (3 times 1) miles.
in two minutes you travel (3 times 2) miles
in three minutes you travel (3 times 3) miles
in x minutes you travel (3 times x) miles.
so number of miles (M) traveled in x minutes is 3x
therefore M = 3x miles, where x is in minutes.

Answer 16

ok now I am really confused. S 3x=99 miles is that it

Answer 17

the formula is M = 3x
the distance traveled in 33 minutes is M = 3 times 33 = 99 miles

Answer 18

I think I understand thanks

Answer 19

you are welcome. dont get confused by letters such as M and x and so on.

It is painful to write you travel 3 times the number of minutes in that time.
so we assign variables such as M and x to the distance and time and write it in mathematical form.
it is much easier to write M =3x as long as you know what M and x stand for.

Answer 20

thanks