Jamie and owen joined a monthly walking challenge at their youth center. jamie has already walked 120 minutes and plans to walk 20 minutes per day. owen plans to walk 30 minutes per day. let x represent the number of days and y represent the total number of minutes walked during the challenge. which system of equations can be used to find the number of days it will take for owen and jamie to have walked the same number of minutes?

a) y= 20x + 120
y= 30x

b) y= 20x
y= 30x + 120

c) y= 120x + 20
y= 30x

d) y= 120x
y= 30x + 20

Option A is correct.

Step-by-step explanation:

Given:

Jamie already walked 120 minutes.

Jamie plans to walk 20 minutes per day.

Owen plans to walk  30 minutes per day.

If x represent the number of days and y represent the number of minutes walked.

Number of minutes Jamie walked in x days = 20x

Total minute walked by Jamie in x days , y = 20x + 120

Number of minutes Owen walked in x days = 30x

Total Number of minutes walked by Owen in x days , y = 30x

Therefore, Option A is correct.

walter needs to make at least 5 more cookies but no more than 40. 5 ≥ x ≥ 40;

step-by-step explanation:

walter has to make a minimum of 20 cookies. he already has 15 cookies made, so he must make 5 more to meet the minimum.

the maximum amount of cookies he can make is 55. he already has 15, so he has to make no more than 40 more cookies to meet the maximum.

step-by-step explanation:

we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v