C
Because 1 km is 1,000 meters so you were just multiply 1000 by 10 and get 10,000
c:
3 packages of cups and 4 packages of napkins assuming that all 60 shows up 3×24=72 4×18=72 plenty with Xtra
Lowest common denominator for 3,4,6 is 12
5/6 = 10/12
1/4 = 3/12
2/3 = 8/12
a)
10/12 + 3/12 = 13/12 = 1 1/12
So you need to use first and second cables
b)
3/12 + 8/12 = 11/12
To reach 1 yard Carl need 1/12 yard cable