Answer:
a
Step-by-step explanation:
30% is a way to express the fraction 30/100 = 3/10
So, 30% of 80 is
Answer:61.7
maths
the given equation is y=4/7x
reciprocating both sides you get y/x =7/4
now x and y are directly porportional to each other so
x=ky where k is the constant
or x/y=k ......................(2)
equating 1 and 2
k=7/4
