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#12229

similarity

area

geometry

hard

120 sec

Rectangular prism E is similar to rectangular prism F. The surface area of prism E is 100 $c m^{2}$ and the surface area of prism F is 900 $c m^{2}$ . If the volume of prism F is 2,700 $c m^{3}$ , what is the sum of the volumes, in $c m^{3}$ , of prism E and prism F?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.