Answer: 4
Step-by-step explanation:
If there are 13 girls in a class of 23, we can assume there are 10 boys. If 4 girls play chess and there are 10 pupils who play chess, we can guess that the remaining 6 are boys. If there are 10 boys, and 6 of them play chess, there are 4 who do not.
Rise/run so it would be 5/3
You formatted the equation wrong for the setting your calculus on i would recommend using a Ti-34
Answer:
120 lb of soybean meal
200 lb of cornmeal
Step-by-step explanation:
S = pounds of soybean meal
C = pounds of cornmeal
S + C = 320 → C = 320 – S
0.16S + 0.08C = 0.11 × 320 = 35.2
16S + 8C = 3520
16S + 8(320 – S) = 3520
16S + 2560 – 8S = 3520
8S + 2560 = 3520
8S = 960
S = 120
C = 320 – 120 = 200
