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.
I basically converted them all into decimals and rounded
Team 1- 0.75
Team 2- 0.8
Team 3- 0.775
Team 4- 0.825
Team 5- 0.725
Team 6- 0.7625
Team 7- 0.7875
Team 8- 0.8125
Team 4 collected the most
Team 5 collected the least
Answer:
200 miles in 4 hours hope this helps and u get it in on time
Answer:
x = -7, -11
Step-by-step explanation:
2|x+9|+3 = 7
subtract 3 from both sides of equation
2|x+9| = 4
divide 2 from both sides of equation
|x+9| = 2
Absolute values:
x+9 = 2 and x+9 = -2
x = -7 and x = -11
