Ask Question
26 October, 23:22

11. A certain watch costs $100, and a certain

pearl necklace costs $300. If the cost of the

watch increases by 5% and the cost of the

pearl necklace decreases by 10%, what will be

the sum of their new costs?

A. $375

B. $385

C. $395

D. $405

+1
Answers (1)
  1. 26 October, 23:30
    0
    Answer:A $375

    Step-by-step explanation:

    5% of 100 is 5 so the watch is $105

    10% of 300 is 30 so the pearl necklace is $270 270+105 = 375
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “11. A certain watch costs $100, and a certain pearl necklace costs $300. If the cost of the watch increases by 5% and the cost of the pearl ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers