What is 5 4/8 in decimal form

2x+3y=12 x-y=6 solve the following system equations

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

For what value of (y) is 3^3/3^y =1/9