set up the equation, relating the new ratio of salt
to solution to the desired 20% salt solution.
a)) 19.2/(160 – x) = 20/100
b)) (160 – x)/19.2 = 20/100
c)) 0/19.2 = x/160
d)) 19.2/x = 20/100

Solve the system. -a+4b+2c=-8 3a+b-4c=9 b=-1 a.(0,11) ,-1,2) c.(1,1,-2) d.(2,-1,-1)

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.

How do newtons third law of motion demonstrates on a rollar coster