exam Maths Puzzle Numerical Ability

y<3x

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exam Other Question

Solve for A: 1/A + 1/B + 1/C = D

I tried getting A by itself by using common denominators...but no luck
(not sure what category this fits in...sorry about that)
Thanks in advance
A local florist is making two types of floral arrangements for bridesmaid's bouquets: regular and special. Each regular arrangement requires 3 mums. 2 lilies, and 2 roses, and each