Answer:
equation????but
x+x+8=30
2x+8=30
x=11.....11/19
Step-by-step explanation:
672·0.5^(28/7) = 672·0.5⁴ = 42 grams
B) 7867
I = Prt
-0.8
Answer: 501, 511
You add ten so 491 plus 10 would 501.