Answer: Dark Chocolate = 2.5 lbs, Milk Chocolate = 0.5 lbs
<u>Step-by-step explanation:</u>
Qty % Qty * %
Dark Chocolate: x 0.25 0.25(x) = 0.25x
Milk Chocolate: <u> 3 - x </u> 0.75 0.75(3 - x) <u>= 2.25 - 0.75x</u>
Mixture: 3 100% = 1
Part A: 0.25x + 2.25 - 0.75x = 1
2.25 - 0.50x = 1
<u> -2.25 </u> <u> -2.25 </u>
-0.50x = -1.25
<u> ÷ -0.50 </u> <u>÷ -0.50 </u>
x = 2.5
Milk Chocolate: 3 - x = 3 - 2.5 = 0.5
Answer:
Teacher is 27 years old
Step-by-step explanation:
(1/2)(t - 3) = (1/3)(t + 9)
multiply by 6 to clear the fraction
3(t - 3) = 2(t + 9)
Distribute
3t - 9 = 2t + 18
Subtract 2t from both sides
t - 9 = 18
Add 9 to both sides
t = 27
Teacher is 27 years old
Answer:
94
Step-by-step explanation:
add 94, 75 and 83 to get 252, then divide by 3
Answer:
x = 7/2 (or 3 1/2 or 3.5)
Step-by-step explanation:
2x + 5 = 12
2x = 7
x = 7/2 (or 3 1/2 or 3.5)
Answer:
n = -2
Step-by-step explanation:
4n + 12 = 4
Subtract 12 from both sides.
4n = -8
Divide both sides by 4.
n = -2