First, we subtract the two numbers.
72 - 42 = 30
Now we divide this to the original number.
30 / 42 = <span>0.71428571428
Multiply by 100:
</span><span>71.428571428
</span>
So the percent increase is approximately 71.43%
4.77x10= 47.7/9 = 5.30. 1 pound cost $5.30
10 times 5 is equal to 50
Amount of data you use is the dependent variable because it depends on how much you will pay
7/8, One should first make all the fractions have the same denominator so 3/8 and 1/2=4/8 so then add 3/8+4/8=7/8
