All of the following proportions are equivalent except
a/b=c/d
b/a=d/c
a/d=c/b
a/c=b/d

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Mon wants to make 5 lbs of the sugar syrup. how much water and how much sugar does he need… …to make 5% syrup?

Solve for x. −3/4(x+2)=6 enter your answer in the box