Answer:
Option A) 32c
Step-by-step explanation:
we know that
To find the unit cost, divide the total cost of twelve pounds by twelve pounds
so

Remember that
1$=100 cents
Convert dollars to cents

therefore
The cost of one pound of nails cost 32 cents
Answer:
76
Step-by-step explanation:
Answer:
2400kJ
Step-by-step explanation:
Step one:
given data
power P= 400W
time = 10minutes
to seconds= 60*10 = 600 seconds
Required
the energy
Step two:
we know that Energy= power * time
E=P*t
E=400*600
E=240000
E=2400kJ
She converts 2400kJ into other forms
Answer:
the picture is hard
Step-by-step explanation: