Answer:
50%,5%. Red, Green
Step-by-step explanation:
30/60=1/2=50%
3/60=1/20=5%
red has the highest number
green has the lowest
Answer:
30.39
Step-by-step explanation:
ok, think of it like 21+9. That =s 30 right? so then add the .39 and you get 30.39.
Answer:
son's present age = 30
father's present age=60
Step-by-step explanation:
his son's present age = x years
his father's present age = 2x years
before 20 years his son's age=(x-20) years
before 20 years father's age=(2x-20) years4(x-20)=(2x-20)
4x-80=2x-20
4x-2x=80-20
2x=60
x=30
Answer:
(a) 9
Step-by-step explanation:

substitute r = 4, t = 2

simplify

cubic of 2 is 8

simplify

x3[x+4y=1]
-
3x+5y=10
-1y=-9
x-1 [-1y=-9]
y=9