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In Billy's first-grade class, the average height of the students is
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25 Aug 2025, 09:23
25 Aug 2025, 09:23
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In Billy's first-grade class, the average height of the students is 110 cm . In his sister Andrea's fifth-grade class, the average height of the students is 140 cm . If the combined average height of all the students in the two classes is at least 130 cm , and there are 30 students in Andrea's class, what could be the total number of students in Billy's class?
Indicate all such possibilities.
\(\boxed{A} 5\)
\(\boxed{B} 10\)
\(\boxed{C} 12\)
\(\boxed{D} 15\)
\(\boxed{E} 30\)
\(\boxed{F} 60\)
The OA will be automatically revealed on Monday 25th of August 2025 10:23:24 PM Pacific Time Zone
Indicate all such possibilities.
\(\boxed{A} 5\)
\(\boxed{B} 10\)
\(\boxed{C} 12\)
\(\boxed{D} 15\)
\(\boxed{E} 30\)
\(\boxed{F} 60\)
- Part of the project: PrepClub Daily GRE Quant Questions: Arithmetic, Algebra, Geometry & DA
- Also replying to the unanswered questions
The OA will be automatically revealed on Monday 25th of August 2025 10:23:24 PM Pacific Time Zone
gmatclubot
In Billy's first-grade class, the average height of the students is [#permalink]
25 Aug 2025, 09:23
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