Final answer:
Kylie made 3 bracelets per hour on Tuesday, calculated by subtracting the 10 bracelets made on Monday from the total of 25 and then dividing the 15 bracelets made on Tuesday by the 4.5 hours she worked.
Step-by-step explanation:
The question asks us to determine how many bracelets Kylie made per hour on Tuesday. She started with 10 bracelets on Monday and had a total of 25 bracelets by the end of Tuesday. To find out how many she made on Tuesday alone, we subtract the number of bracelets she had on Monday from the total:
25 bracelets (total) - 10 bracelets (Monday) = 15 bracelets (made on Tuesday)
Now that we know she made 15 bracelets on Tuesday and worked for 4.5 hours, we can calculate the number of bracelets made per hour by dividing the number of bracelets made by the number of hours worked:
15 bracelets / 4.5 hours = 3.33 bracelets per hour
Since we cannot make a partial bracelet, we round down to the nearest whole number, which gives us 3 bracelets per hour, representing our answer, which is option (b).