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Mathematics 16 Online
OpenStudy (im.new):

The ratio of boys to girls in the Science Club is 3:5. If there are 60 girls, how many boys are there? A) 23 B) 36 C) 38 D) 45

rebeccaxhawaii (rebeccaxhawaii):

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OpenStudy (kikuo):

3/5=x/60 I believe. I may be incorrect in setting up the proportion. Cross multiply.

rebeccaxhawaii (rebeccaxhawaii):

5x12=60

rebeccaxhawaii (rebeccaxhawaii):

so 3x12=?

OpenStudy (im.new):

36

OpenStudy (im.new):

can you help with more

OpenStudy (im.new):

Mrs. Ripley baked a pie for lunch, which she cut into 8 pieces. Mrs. Ripley and her friends ate 6 pieces of the pie, what percentage of the pie remained? A) 20% B) 25% C) 30% D) 60%

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