- A420
- B400
- C380
- D450
Step-by-Step Solution
Adults = 450, children = 550. Cyclists = 20% of 450 + 60% of 550 = 90 + 330 = 420.
Answer: A) 420
A housing colony has 1,000 residents, of whom 45% are adults and the rest children. 20% of the adults and 60% of the children cycle every day. How many residents cycle every day?
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