Solve the problem.
The girls in the craft club made 254 friendship bracelets for the craft sale. They sold them for $0.75 each. They sold 90% of the bracelets. How much money did the girls collect?
Which explanation correctly describes how to check whether the answer is reasonable?
Answer: $171.45.
Explanation: If they sold 250 bracelets they would have made $187.50. They only sold 90% of the bracelets, so they made less than $187.50.
Answer: $171.45
Explanation: If they sold the bracelets for 50¢ each they would have made $254. They sold the bracelets for 75¢ each, so they made less than $254.
Answer: $100.50.
Explanation: If they sold 100% of the bracelets they would have made $190.50. They only sold 90% of the bracelets, so that would be $90 less or about $100.
