Answer:
32.09
Step-by-step explanation:
100 gm calcium, 30gm carbon and 120gm oxygen
10% of a kg is 100gm of calcium, 3% of 1 kg is 30gm of carbon and 12% of a kg is 120gm of oxygen
146
hope this helps :D
121.5
40.5*3=121.5
0.004
0.4/100=0.004
My answer need to be 20 characters idk why so i need to write this
