All you have to do is add the number to the variable you need to. It works the same for subtraction instead you will put y-14 or any variable and number that is needed to subtract from it and remember when they say a number more than a variable it is + that number if they say a number less than a variable it is - that number .
y+14
1.09 because all percents are divided by 100 to find the decimal
87 58%
_ _
x 100% = 8700/58 = 150.862069 = 150.86
Answer:
Chromebook: 0.25 percent per minute
iPhone: 0.5 percent per minute
1) The phone
2) Faster by 0.25 percent per minute, or 1 percent every four minutes
3) The phone
4) 25 percent more
5) The phone