Answer:
<h2>36.14 pounds of 34% copper alloy and 9.86 pounds of 48% copper alloy</h2>
Step-by-step explanation:
First alloy contains 34% copper and the second alloy contains 48% alloy.
We wish to make 46 pounds of a third alloy containing 37% copper.
Let the weight of first alloy used be
in pounds and the weight of second alloy used be
in pounds.
Total weight =

Total weight of copper = 

Subtracting 34 times first equation from second equation,

∴ 36.14 pounds of first alloy and 9.86 pounds of second alloy were used.
Since area is length times width, it would be the factors of the equation for the area.
X2+11x+28 factors into...
Length is x+7 so...
Width is x+4
Answer:
Step-by-step explanation:
Sales price of 200 apples = 300
At this price, there was loss of Rs. 100
Means the cost of the apples was
300 + 100 = Rs. 400
To earn Rs. 100, they should have been sold for Rs. 500
Answer:
His rate in chapters per hour is 8 chapters per hour
Step-by-step explanation:
If you divide 56 by 7 you get 8 also if you want to check to be sure you can just multiply 8 and 7 or 7 and 8
This site will tell you how https://sciencing.com/write-functions-math-8315770.html
I’m not very good at explaining it sorry