Answer:
C.6
Step-by-step explanation:
Remember, a constant term is a term that keeps repeating. Also, it's the only term that doesn't contain a variable. In this equation, 6 is the constant.
Hope I helped!!!
Answer:
12
Step-by-step explanation:
84/7 is 12, so she was going 12 mph
Let x=grams of 70% alloy:
0.70x+16×0.20=0.30(x+16)
0.70x=0.30x+4.8-3.2
0.40x=1.6
x=1.6/0.4=16/4=4g
4 grams of 70% alloy are needed.