27 solid iron spheres,each of radius x cm are melted to form a sphere with radius y cm ,find the ratio of x:y
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<h3>Question:-</h3>
- Combine like terms. 5y - 8 - y
- here like terms are 5y,-y
- solving like terms
- 5y-y-8(subtracting 5y-y)
- 4y-8
hence the combination=
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