3 is what percent out of 8
Can also be written as 3/8
To turn a fraction into a percentage, divide the numerator by the denominator and them multiply by 100
3/8 = 0.375
0.375 x 100 = 37.5
37.5%
The total cost would be $4.85 all you had to do i think is add the three prices together.
The top two ?
1. 0, 0.2, '0.4, 0.6, 0.8, 1.0, 1.2, 1.4', 1.6
2. 0, 0.5, '1.0, 1.5, 2.0, 2.5', 3.0