A small quiz on Ratio and Proportion
Q.1 2/3 dogs are white. 4/7 of them have black spots on them. Rest of them are black. Find the ratio of dogs with black spots to that of balck dogs.
Q.2 If x=4/7 and y=3/2, find the ratio (7x+3y):(5x-2y).
Rules:Step by Step explanation required. Along with the correct answer the person who did the best will be marked the brainliest.
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Answer:
1. ratio of dogs with black spot=2/3*4/7=8/21
black dog=1-2/3=1/3
ratio is 8/7
2.(7*4/7+3*3/2)/(5*4/7-2*3/2)= -119/2
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