Question

Ethan sold some watches at $14 each and 20 bookmarks at $1.50 each.Roy sold the same number of watches at $13.50 each and 20 bookmarks at $1.80 each.They collected the same amount of money.How many watches did Ethan sell?

Answer 1

Answer:

12 watches

Step-by-step explanation:

write in equation form

x(14)+20(15)=x(13.50)+20(1.80)

14x+30=13.50+36

x=12

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