Solve the following equations.
2 ⋅ 5^(x+3) = 6250

Do 12/14 and 8/10 have the same value? explain your answer.

Someone me i need with this stuff

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )