Most likely she incorrectly moved the decimal point in her calculation. The percent of a group cannot be more than 100.
I'm not completely sure about what you are asking, but if its what i'm taking from this, tan A = 7/9 is finding the measure of angle A.
2 1/4 = 2.25
1.89 / 2.25 = 0.84 per lb <== 84 cents per lb
The domain and range is 6
Answer: 16/9 or 1 7/9
Step-by-step explanation:
plug in the values
4 2/3 + 2/3 * 1/2
add the first two values
4 2/3 + 2/3 = 4 4/3 or 5 1/3
multiply 5 1/3 by 1/2
5 1/3 * 1/3 = 16/9 or 1 7/9
