Answer:
c
Step-by-step explanation:
ANSWER: 12/20 or 3/5
4/5 of girls have brown hair
3/4 have long hair

if you add 4 to it then you would get 8
1,400 um Idk I’m just really dumb
The coefficients DO NOT represent mass. Moles to mole ratios in a balanced chemical reaction are equivalents. Example 1: 3 H2 (g) + N2 (g) → 2 NH3 (g) tells us that 1 mole of nitrogen will stoichiometrically react with 3 moles of hydrogen to theoretically (ideally) produce 2 moles of ammonia.