How many 1/6 patties be made with 1/2 pound of hamburger meat

How many kilograms of a 5% salt solution and how many kilograms of a 15% salt solution must be mixed together to make 45kg of an 8% salt solution?

Find │7│. a. 1 over 7 b. –7 c. 7 asap i always mark brailiest who me so

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.