<span>16 walls in 40 hours
3 walls in h hours
16/40 = 3/h
16h = 40(3)
16h = 120
h=120/16
h=7.5
answer: </span><span>3 walls in 7.5 hours</span>
Answer:
32 m^2
Step-by-step explanation:
First find the real dimensions of the dining hall
The scale factor is 4m /3 cm
6 cm * 4m / 3cm = 8 m
3 cm * 4m / 3cm = 4 m
The area of the dining hall is
A = l*w
A = 8m * 4m = 32 m^2
Answer:
558.036 lb
Step-by-step explanation:
Let x is the amount of the sea water to collect 125 lb of sea salt
As given: 64 lb/ft³ has 0.0035 dissolved salt by weight
So the formula to find out the amount of the sea water is:
64 lb/ft³ * 0.0035 *x ft³ = 125 lb
<=> x = = 558.036 lb
Hope it will find you well.