It will need 1.8 kilograms to have 25.0 g of nickel
If you add both 5.75 and 4.75, you'd get 10.5, so your answer is 10 and a half, so D.
The area is 40 because you do 12 times two then eight times two then add the awnsers
Answer: the shaded squares are equal to 0.3
