+6 the total weight of six packs red beans and eight packs of black beans is 7.9 kilograms.if a pack of black beans is 0.65 kilogram,what is the weight of each pack of red beans? show the solution
+32 Okay, so you need to do substitution.
6r+8b=7.9
b=.65
6r+8(.65)=7.9
6r+5.2=7.9
6r=2.7
r=.45
Hope this helps!
+6 given is 0.65,6,8,7.9
operation to be used
multiplitacion subtraction and division....
0.65*8=5.20
7.9-5.20=2.7
2.7/6 = 0.45
0.85 is the weight of each pack of red beans
