23cups/56 liters
hope this helps I'm learning this aswell
A+b=82
2a+4b=324
Solve for a and b. a is the # of borogoves, b is the # of mome raths.
It would be in the first quadrant since the second quadrant is on the other side of the y-axis.
<span>let x be the interval, then:
186 = 50 + 3 + (3+x) + (3+2x) + (3+3x) + (3+4x) + (3+5x) + (3+6x) + (3+7x)
186 = 74 + 28x
x = 4
Eldest son age = 3+7x = 3+28 = 31.</span>
