At the grocery store, you buy a carton of milk for $1.95, a loaf of bread for $0.85, and a box of cereal for $2.05. use mental math to find the total cost of the groceries. $4.85$5.00$5.15$4.90

The correct answer is $4.85

Step-by-step explanation:

To solve this problem we just have to add all the items that we bought.  

Total cost of the groceries= carton of milk+loaf of bread +box of cereal

Total cost of the groceries=$1.95+$0.85+$2.05

Cost=$4.85

i dont know

step-by-step explanation:

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24