X is the amount of money that each will pay
2x+(21.50*20/100) =21.50
2x+4.3=21.50
2x=17.2
x=8.6$ will pay each person
Answer:
192192192%
Step-by-step explanation:
If 600600600 is 100%, so we can write it down as 600600600=100%. 4. We know, that x is 192192192% of the output value, so we can write it down as x=192192192%.
Answer:
4/3 kg
Step-by-step explanation:
Let x represent a half brick, let y represent a 1 brick.
We know that 1 brick and 1/2 brick weigh 1 kg. so we represent this as
We know that obviously x is half of y. so
Subsitur this for x.
This means one block weight 2/3 kg. So how much 2 weigh.
10 separated into 5 groups is 10/5
5 goes into 10 2 times.
10/5=2