Answer:
64 times
Step-by-step explanation:
we know that
To find out how many times more did they spend last year than this year, divide the amount spent last year by the amount spent this year
Remember that
When divide two exponents with the same base, you keep the base and subtract the powers.
we have
[tex]\frac{8^7}{8^5}=8^{(7-5)}=8^{2} =64\ times[/tex]