The sum of three numbers is 12 . The sum of twice the first number, 3 times the second number, and 4 times the third number is 37 . The difference between 7 times the first number and the second number is 25. Find the three numbers.

Given:

The sum of three numbers is 12 .

The sum of twice the first number, 3 times the second number, and 4 times the third number is 37 .

The difference between 7 times the first number and the second number is 25.

To find:

The three number.

Solution:

Let the three numbers are x, y and z respectively.

According to the question,

          ...(i)

        ...(ii)

          ...(iii)

From (iii), we get

Put value in (i).

       ...(iv)

Put value in (ii).

         ...(v)

Now, Multiply equation (iv) by 4 and subtract the result from (v).

Put x=4 in (iv).

Put x=4 in .

Therefore, the three numbers are 4, 3 and 5 respectively.

a. turk and mcalister

b. howard, mission, and market

c. yes. since streets end some do not cross yet are not parallel to others. example: mcalister and 5th

step-by-step explanation:

parallel lines are lines which do not intersect ever and look a lot like railroad tracks. turk, mcalister and golden gate are examples of these.

intersect are streets which cross each other and a car on one can reach the other. howard, mission, and market intersect with 6th.

skew lines are lines which neither intersect nor are parallel. these lines exist here because some streets end and never intersect another like mcalister and 5th.

7

step-by-step explanation:

the answer would be 7