Deana bought 12 packages of batteries. some of the packages contained 4 batteries and some contained 6 batteries. she bought a total of 62 batteries. how many packages did deanna buy that contained 6 batteries?

She bought 7 battery packs containing 6 batteries

Step-by-step explanation:

4bx5= 20 batteries

6bx7=42 batteries

42+20=62

-2 is the right

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.