Ablueberry whole grain breakfast bar has 9 grams of fat and 140 calories. roughly what percent of calories are from fat? remember each gram of fat has 9 calories

9 grams of fat * 9 calories per gram = 81 calories from fat
81/140 * 100 = calories from fat
58%

1. isolate the variable, in this case, d. subtract 35.5 on both sides of the equation.2. 52 subtracted by 35.5 is 16.53. therefore your answer would be d= 16.5this is the basics of pre algebra, isolating variable through adding, subtracting, multiplying, and dividing, if you have any other questions to ask just comment!