Question

1. trey is assembling furniture, and the table below shows the length of parts a - d. record the letter of the part that is the longest.

part	a	b	c	d
length (in.)	1\frac{2}{7}	1.3	1.15	\frac{21}{20}

Explanation:

Step1: Convert mixed - number to decimal

$1\frac{2}{7}=\frac{7\times1 + 2}{7}=\frac{9}{7}\approx1.286$

Step2: Convert fraction to decimal

$\frac{21}{20}=1.05$

Step3: Compare the decimals

$1.3>1.286>1.15>1.05$

Answer:

B