Kirk has 12 dollars less than jim. if jim spends half of his money and kirk spends none, then kirk will have two dollars more than jim. how much money did they both start with

Jim had $28

Kirk had $16

Step-by-step explanation:

Let

the amount of dollars Kirk has be "k"

and

the amount of dollars Jim has be "j"

Kirk has 12 dolalrs LESS THAN Jim, so we can write:

j = k + 12

Jim spends half & kirk spends none, so:

Jim has:

(k+12)(1/2) = (1/2)k + 12(1/2) = (1/2)k + 6

Kirk still has:

k

This will make Kirk's amount(k) be 2 dollar MORE THAN JIM'S AMOUNT (1/2k + 6). So we can write:

k = 2 + (1/2)k + 6

Now we can solve this for k:

And now, finding jim's amount:

j = k + 12

j = 16 + 12

j = 28

Initially,

Jim had $28

Kirk had $16

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

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answer: d.) the total number of protons and neutrons is 15

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