I’m to lazy to figure out this question
0.5 is a rational number.
if we name that part x, then we can say
1/x = 1/a + 1/b
X= -8/5y+16
y= -5/8x+10
you didnt say if the equation was "5x+8y=80" not sure if your adding or subtracting or adding but if your adding then this is correct :)
Answer:
609.55
Step-by-step explanation:
789.34−45.75+145.67+503−782.71=609.55
