Well, for -6d to equal -13d, d would have to be 0 to satisfy this equation
D it's store d, it's the cheapest
Divide 54 by 3 which will get you q=18
About 8,456.17849
Rounded: 8,456.18
75 and 100.
It is 25% lesser because if you subtract 75 and 100 from each other, you get 25.
