c + b =120
21c +1
cashew nuts sell for $21.00/kg. Brazil nuts sell for $15.00/k. A distributor sold a total of 120 kg of nuts and Brazil nuts for $2244. What mass of each type of nut was sold?
3 answers
c + b =120
21c +15b = 2244
c = 120-b
21(120-b ) + 15b = 2244
2520 -21b + 15b = 2244
2520 -6b = 2244
2520-2520 -6b = 2244-2520
-6b = -276
b = 46
c = 120 -46
c = 74
Cashew nuts = 74kg
Brazil nuts = 46kg
21c +15b = 2244
c = 120-b
21(120-b ) + 15b = 2244
2520 -21b + 15b = 2244
2520 -6b = 2244
2520-2520 -6b = 2244-2520
-6b = -276
b = 46
c = 120 -46
c = 74
Cashew nuts = 74kg
Brazil nuts = 46kg
Thanks!