1. Alice is making a necklace. She has a chain that is 400 mm long. She puts forty 1.7 mm beads, twenty-seven 612 mm beads, and eight 3.4 mm beads on the chain. About how
much of the 400 mm chain is left without beads?
A 388 mm
B. 270 mm
C. 230 mm
D. 129 mm