A public library has an aquarium in the shape of a rectangular prism. The base is 6 feet by 2.5 feet. The height is 4 feet. The fish has out grown the tank and needs a tank double the size. How could the library change the dimensions? (The top of the aquarium is open.) 1. double the height
2. Add 4 ft to the width
3. Divide the width by 2
4. Add 4 to the length

ad = ae + ed = y + 7

similar triangles therefor

ac/ab = ad/ae

6/4 = (y + 7) / y

cross multiply

6y = 4(y + 7)

6y = 4y + 28

2y = 28

y = 14

step-by-step explanation:

step-by-step explanation:

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