Equation 1. N+D=500
equation 2 5N+10D=3000
This is for equation 1
N=500-d
Substitute into equations 2 and solve for D
5N+10D=3000
5(500-D)+10D=3000
2500-5D+10D=3000
5D=500
D=100
Lets go back the equation 1
N=500-D
N=500-100
N=400
there are 400 Nickles and 100 Dimes
The answer should be "filtration" because distillation is for liquids. Filtration filters out the unwanted products.
you multiply the numbers which is 8 can you give branliest?
Answer:
Just put it in Geogebra classic. It's an app that helps very much with functions!
Multiply the original amount by .79 and this will give you the amount with a 21% discount.
