A stack of two hundred eighty cards is placed next to a ruler, and the height of stack is measured to be 7 8 inches. How thick is one card?

1 /320 inches

Step-by-step explanation:

thickness of each card

7/8 ÷ 280

7/8 x 1/280 = 1/320 in

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d