<span>x+y = 23 and 2x+3y=55; The wording of the answer choices were confusing, but both of these come together to make the correct answer. First, you need x (number of bracelets) + y (number of necklaces) to determine how many of each were sold. Then, you add 2x (cost of each bracelet x bracelets sold) and 3y (same as bracelets but for necklaces). This results in the total amount sold.</span>
Answer:
x=1
Step-by-step explanation:
Look at the bottom of the triangle you will see that 1 = x
33.3..........................................
Answer:
9/2
Step-by-step explanation:
1. Turn the equation into a fraction: 4.5/1
2. Multiply top and bottom by two: 9/2
Answer:
102 mg
Step-by-step explanation:
Let's convert 28 pounds to kgs.
Since 1 kg = 2.2 pounds, we can find:

So 28 pounds is 12.73 Kg
Since 8mg is given per kg, for 12.73 kg, the amount given should be:
12.73 * 8 = 101.84
Rounded to nearest whole number, that is, 102 mg