Well how many minutes are in an hour? 60. 60/2 is 30, so she can complete 30 problems in an hour. Since it's 30 for one hour, that means she can solve 60 in 2 hours.
<em>
</em><em /><em>Don't forget to rate this answer the Brainliest!</em>
Try using PEMDAS,
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
So just do the problem in that order.
Answer 45
Step-by-step explanation: i show my work in case
<span>the answer is 2x^2+x+4 R 8/x+1</span>