Problema Solution
Jill is making bookmarks for a fund-raising sale. Each bookmark costs $1.00 to make. If she sells the bookmarks for $1.50 each, how many to sell to make a profit of exactly $20.00
Answer provided by our tutors
let x = the number of bookmarks sold
x*(1.50 - 1.00) = 20.00
by solving we find
x = 40 bookmarks
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Jill must sell 40 bookmarks to make profit of exactly $20.00