For this case we can make the following rule of three:
21 ------> 70%
x --------> 100%
Clearing x we have:
x = (100/70) * (21)
Rewriting we have:
x = (10/7) * (21)
x = 30
Thus,
21 is 70% of 30
Answer:
21 is 70% of 30
If the tax is placed on the roigial price, they should each pay around 49 dollars and 3 cents.
Answer:
For the first one: -2, -1, 0
For the second one: 10, 15, 20
To a higher number the six changes value in this number above
I got 19,683. I hope this helps.
