26 points) a pair of shoes cost $52.85. they are marked down 35%. what is the final price of the shoes after they are marked down? a $17.85 b $18.50 c $34.35 d $51.34

5x+2x=49

7x=49

x=7. 35 apples

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)