What to do to simplify 28 4(8-3)?

To simplify the expression ( 28 + 4(8 - 3) ), first, calculate the value inside the parentheses: ( 8 - 3 = 5 ). Next, multiply that result by 4: ( 4 \times 5 = 20 ). Finally, add 28 and 20 together: ( 28 + 20 = 48 ). Thus, the simplified expression is ( 48 ).