Answer:
price of good = $89.6
Explanation:
given data
time t = 7 day
cost at the beginning = $0.7
solution
when here prices doubled each day
so that after t day the price of good will be = p×[tex]2^{t}[/tex] ....................1
put her value
price of good = $0.7 × [tex]2^{7}[/tex]
price of good = $89.6