Answer:
$38.31
Step-by-step explanation:
Given:
Pure silver that cost $33.48 per ounce used to form $24.35 alloy/ounce.
Question asked:
How many ounces of pure silver were used to make an alloy of silver costing $27.87 per ounce?
Solution:
At cost $24.35/ounce, pure silver is mixed = $33.48
At cost $1/ounce, pure silver is mixed = 
At cost $27.87/ounce, pure silver is mixed = 

Thus, $38.31 ounces of pure silver were used to make an alloy of silver costing $27.87 per ounce.
3:1 because she makes 3 times more baskets than John.
If a bowl of fruit contains 8 lemons and 6 oranges, then the ratio of oranges to lemons is eight to six or 8:6 which then can be reduced by to 4:3.
You reduce it by a common factor they share such as 2, because 2 x 4 = 8 and 2 x 3 = 6.
Hope that is the answer you seek.
Answer:
D is the Answeer
Step-by-step explanation:
Mean is the average.
Add the numbers together and divide by the quantity of numbers.
8 + 11 + 19 + 17 + 15 = 70
There are 5 numbers.
Mean = 70 / 5 = 14