Question

how much salt must be added to 800 grams of a solution that is 15% to obtain a solution of 20% ?

Answer 1

.15(800)= amount of salt originally in the solution.
x= amount of salt you need to add
.20(800)= amount of final salt content

Answer 2

original plus needed=final

Answer 3

now what?

Answer 4

does what ive said make sense?

Answer 5

i've only viewed it now. try to solve it. thanks

Answer 6

hi, is the answer...40gms?

Answer 7

yes! i believe so.

Answer 8

thank you

Answer 9

Prego!