a jewelry store ran a report on the pieces of jewelry that were sold last week. pins 6 key chains 14 rings 5…
a jewelry store ran a report on the pieces of jewelry that were sold last week. pins 6 key chains 14 rings 5 pairs of cufflinks 24 based on past data, how many of the next 91 pieces of jewelry sold should you expect to be key chains? key chains
Answer
Explanation:
Step1: Calculate total pieces sold last week
$6 + 14+5 + 24=49$
Step2: Find the proportion of key - chains
The proportion of key - chains sold last week is $\frac{14}{49}=\frac{2}{7}$
Step3: Predict number of key - chains in next 91 pieces
Multiply the proportion by 91: $\frac{2}{7}\times91 = 26$
Answer:
26