Identify the transformations that map rectangle a to rectangle a'
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Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?