To solve the expression 18% of 256 + 85% of 290 - 15% of 385, we need to calculate each percentage separately and then combine the results.
Calculate 18% of 256:
18% × 256 = 100 18 × 256 = 46.08
Calculate 85% of 290:
85% × 290 = 100 85 × 290 = 246.5
Calculate 15% of 385:
15% × 385 = 100 15 × 385 = 57.75
Combine the results:
Add the results from the first two steps and subtract the result from the third step:
46.08 + 246.5 − 57.75 = 234.83
Thus, the final answer is 234.83.