Answer:
C
Step-by-step explanation:
She has 53 skittles left because 102 - 49=53
Answer:(0.6,10.6) after 8 seconds.
Step-by-step explanation:
A) prevent the bone wearing each other out where they touch
Target concentration = 20%.
Ratio of 12% and 30% alcohols needed
30-20 : 20-12 = 10:8 = 5:4
Volume of 12% = 72 mL * (5/(5+4)) = 40 mL
Volume of 30% = 72 mL *(4/(5+4)) = 32 mL
Total = 40+32 = 72 mL of 20%