Sofia bought bananas ,cereal, and milk at the store. she spent all of her money. she spent 3/10 of her money on bananas and 4/10 on cereal. what fraction of her money did sofia spend on milk? write and solve equations.

x= -3

step-by-step explanation:

step 1: simplify brackets

4 - x - 1 = 6

step 2: simpilfy

3 - x = 6

step 3: subtract 3 from both sides

-x = 6 - 3

step 4: simpilfy 6 - 3

-x = 3

step 5: multiply both sides by -1

x = -3

step-by-step explanation:

i have done this all on a piece of paper but idk how to put it on here cuz it needs to be drawn