At 5:00 p. m., Vera took 400 milligrams of medicine to help relieve her headache.
The table below shows the amount of
medicine in her system at different
hours. If this pattern continues, find
the approximate amount of medicine in
her system when she wakes up at
7:00 a. m. the next morning. Round to the nearest tenth.

a .4y4

hope this !

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

ask the math teacher she or he would know lol.

step-by-step explanation:

3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3