Answer:
1.7 is bigger
Step-by-step explanation:
1.7 is bigger (greater) than 1 2/3
When p=8, we can substitute it into the equation.
4x8-2
=32-2
=30
Answer:
253 mmHg
Step-by-step explanation:
Since the atmospheric pressure, 
when a = height (in km) = 8.47 km, then the atmospheric pressure P(a) is

P(8.47) ≅ 253 mmHg
3 dozen=3·12=36

Use cross multiplication
1/3·36=5x
12=5x
12/5=5x/5
x=12/5 or 2 2/5 or 2.4
12/5 or 2 2/5 cups of flour is needed to make 3 dozen rolls