Math

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A spinner is divided into 8 equal sections, Each section is either blue or yellow. THe spinner was spun 40 times. It landed on a yellow section 10 times. Which proportion can be used to find the number of sections Y, that could be expected to be yellow?
A. 9/40-8=y/10
B.10/40=8/y
C.10/40=y/8
D.8/40=10/y
C?

If the ratio of rosebushes to trees in Syd's yard is 3 to 1 which of these shows possible numbers of rosebushes to trees in Syd's Yard?
A.20rosebushes 7trees
B.7rosebuhes 3trees
C.21rosebushes 7 trees
D.7rosebushes 21 trees
C?

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