340 students went to the first dance, but only 306 went to the second dance. What is the percent decrease in the attendance from the first to second dance?

a)34%
b)10%
c)11%
d)0.10%

34

step-by-step explanation:

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

i'm guessing it might be 40.

the angles measure to 70 degrees, 70 degrees, 20 degrees, and 20 degrees