If they lose 72% of their weight, then they are only 28% of the original amount. Let n be the original weight of the mushrooms. Then:
0.28n=12.25
n=12.25/0.28=43.75 lbs of mushrooms necessary to start with
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-98=7(n-7)
-98=7n-49
7n=-98+49
7n=-49
Therefore n=-7, as 7(-7)=-49.
Answer: the y-intercept is -7
Step-by-step explanation: Rewrite the equation in slopr intercept form and simplify:
2x-5y=35 Subtract 2x from both sides
-5y = -2x + 35 Divide both sides by -5 to isolate y
y = 2x/5 -7
It would be 190 km because you do 5 x 3 to get 15 add a 0 at the end of it. Than at 40 because .8 of 150 is 40. Then 150+40= 190
If you graph the two equations then you will find that they intersect at (-2,-2).
You then have to check your answer.
x=4y+6
(-2)=4(-2)+6
-2=-8+6
-2=-2
x-3y=4
(-2)-3(-2)=4
-2+6=4
4=4
