Calculating the value of a variable in variations.

If m varies directly as x and y, and m=10 when x=4 and y=7, find m when x=11 and y=8.

Algebra Problem

Solve for C: F = 32 + 9/5 C

Number magic

Pick a number from 1 to 9 (0 ...continues

Solving algebraic equations.

Solve for C: F = 32 + 9/5 C

Solving for a variable in an algebraic expression.

7:x = 9:27; x = ?

Solving for cash sales total in an algebraic word problem.

A firm's sales for the month total $30,000. If the ratio of cash to credit sales is 2:3, cash sales total = ?

Calculating the total amount invested using ratios in an algebraic word problem

Four partners, A,B,C,D, invest in the ratio of 5:3:3:1 in their firm. If partner A invests $20,000, what is the total invested?

Solving for a variable using ratios

If x/3 = 12/20, x = ?

Solving word problems in cost comparisons using oil prices.

Fuel oil prices averaged $0.93375 in the winter of 1998, then shot up to $1.02 in winter 1999. Calculate the additional fuel costs for a household that used 863 5/8 gallons of fuel oil during the winter of 1999.

Calculating the distance traveled in an algebraic word problem.

A car has a tank that holds 12 3/8 gallons of gasoline. Mr. Brown fills his tank and drives along the highway until he runs out of gas. If his car averages 19 2/5 mpg, how far has he traveled?