Using the straight-line method, what is the depreciation expense for a computer that cost $4,500, has a residual value of $700, and has a life of four years?

$950

Step-by-step explanation:

Depreciation = (Cost - Residual value) / Useful life

Cost = $4,500

Residual value = $700  

Useful life = 4 years

Depreciation = (4500 - 700) / 4

Depreciation = $950

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: