Asidewalk is built 12 bricks wide by laying each brick side by side. how many inches wide is this sidewalk is each brick measures 3 7/8 inches wide?

To solve for the width simply multiply the two numbers:

width of sidewalk = 12 * (3 7/8)

Where 3 7/8 = 31/8

so calculating,

width of sidewalk = 12 * (31 / 8)

width of sidewalk = 46.5 inches

the barter

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.