Answer: it is b
Step-by-step explanation:
i took the test boys
Answer:
a. 20%
b. 40%
Step-by-step explanation:
a. 3km =3000m
600/3000×100=20%
b. 3200/8000×100=40%
this may help you very much
Step-by-step explanation:
multiplying the 2nd eqn by 9 we get,
9x+9y=81
then,subtracting 1st and 2nd eqn
9x+5y=41
9x+9y=81
- - -
__________
0. -4y=-40
we get y = 10
then we get x=9-y
x=9-10
x= -1
so x is -1 and y is 10
Patience is key. Learn to wait.
