Answer:
19a - 6
Step-by-step explanation:
4a + 3 ( 5a - 2 )
= 4a + [ 3 ( 5a - 2 ) ]
= 4a + [ 15a - 6 ]
= 4a + 15a - 6
= 19a -6
No, because the equation has to be balanced, I dont know if you meant to write 2 Co2 on the product side, but either way, it isnt balanced.
16.25%
3.25:20*100 =
(3.25*100):20 =
325:20 = 16.25