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The PCTM Puzzle of the Week - Solutions










 Name: Zachary Sheaffer
Grade: 7
School: Wheatland

My answer is 105 boys

and 140 girls at the dance

Name: Anthony Laventure
Grade: 7
School: Wheatland

My answer is 105 boys

and 140 girls at the dance

Name: Chris Hanusa
Grade: 12
School: Taylor Allderdice High School

For every 3 girls and 4 boys, there are 7 students.
This ratio of 3:4:7 holds true for the whole dance, 
so put
the 245 in for 7, and find the number of girls and 
boys from the
ratio.

GIRLS: 245*3/7=105
BOYS:  245*4/7=140

:*}

Name: Tim Meisenhelder
Grade: 11
School: Delaware Valley High School

105 boys and 140 girls

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