How do i solve this equation: 7x=1+2x ?

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

How do i multiply two digit numbers

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?