(-7-8)-[(-4)-(-11)+(-4)]
işleminin sonucu kaçtır?
D) 18
C) 5
B)-4
A) -18

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?

Percent increase and decrease. original number: 45 new number: 18

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! )