X = number of dimes
y = number of quarters
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10x + 25y = 2565
y = x + 20
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put the system of linear equations into standard form
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10x + 25y = 2565
x - y = -20
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copy and paste the above standard form linear equations in to this solver:
https://sooeet.com/math/system-of-linear-equations-solver.php
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solution:
x = 59
y = 79
Answer: 572 yards
Step-by-step explanation:
The equation to find the area of a (base1 + base2) x height/2
The two bases are 14 and 30. Add them up to get 44.
Then, times that by the height. You get 1,144.
Lastly, divide 1,144 by 2. You get 572.
I hope this helped!
24 makes the equation true
You have to plug in the numbers for x
