Question
40% of a neighborhood likes gardening and 60% likes DIY
projects. If 25% enjoy both and the other 20 neighbors like neither, find the total number of neighbors.Solution
ATQ, Let the total number of residents be 100x Residents who enjoy both swimming and running = 0.25 × 100x = 25x Residents who enjoy only swimming = 40x - 25x = 15x Residents who enjoy only running = 60x - 25x = 35x Residents who enjoy at least one activity =15x + 35x +25x = 75x ATQ, 
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