Answer:
here is the proportion
Step-by-step explanation:
2 = 2/1 = 4/2
If it costs 650 per kg then 500g will cost half of that as 500g is half of a kg so the answer is 650/2 = 325
Answer:
=35
Step-by-step explanation:
3(3) ^2 + 2(4)
= 3(9) + 8
= 35
Where you see a, substitute with 3 and where you see b, substitute with 4
Just follow the steps above.