Which one do you want answered?
You line up the decimal points so that similar place values are lined up. it will be easier to add them.
They are all pretty easy all you do is multiply the cost by the amount of things you buy. For example number 4 your variables are cost (c) and songs (s). Your equation is c•s so $0.99 • s. 50 songs would be .99 • 50 which is $49.50
Answer:
4
Step-by-step explanation:
ratio= 2:3
2 : 3
B : G
0 : 6
3*2=6
2*2= 4
