Score on a test S is related to the number of hours H studied for the test by the formula S =2H +85.
Solve for H in terms of S.
Write an equation to describe the situation.
Jorge leaves Chicago driving at 43 miles per hour. Manuel leaves 4 hours later from the same
place, along the same road, at a rate of 46 mph. If Jorge travels for t hours, in how many hours will
Manuel overtake him?
The formula for converting Fahrenheit temperature to Celsius is C =5
9(F – 32). If a bottle of
prescription medicine is to be kept below 35° Celsius, how would you describe this warning using
Fahrenheit temperature?
It must be kept below 51° Fahrenheit.
It must be kept below –13° Fahrenheit.
It must be kept below 121° Fahrenheit.
It must be kept below 95° Fahrenheit.
Solve the formula for the specified variable.
Solve the equation. First simplify the expression by combining like terms.
1
6(x + 12) –1
8(x – 8) = x – 8
Indicate what must be done to each side of the equation in order to isolate the variable.
During the first four months of the year, Jack earned $1060, $570, $570 and $1380. If Jack must have
an average salary of at least $970 in order to earn retirement benefits, what must Jack earn in the
fifth month in order to qualify for benefits?