Eric has 14 1/2 yard of fabric. He makes several napkins, using 1/2 yard of fabric for each. He then makes 6 placemats, using 7/8 yard of fabric for each. Eric has 1/4 yard of fabric left. How many napkins has he made? PLS SHOW WORK IF U CAN

Exits on an interstate are numbered consecutively. the distance between exit 12 and exit 13 is 2.7 miles. the distance between exit 13 and exit 14 is 0.9 mile farther than the distance between exit 12 and exit 13. the distance between exit 13 and exit 15 is 6.8 miles farther than the distance between exit 12 and exit 14. the distance between exit 14 and exit 15 is miles.