Two thirds plus a number plus 4 is 7

Katrina has 2 blue ribbons for her hair. One fourth of all her ribbons are blue. How many ribbons does katrina have in all?

You want to buy a calculator that is at most 115 dollars. You have already saved 30 dollars and you make 7.50 dollars an hour. How many hours would you have to work to buy a calculator?

Lines k and n are perpendicular. if the slope of line k is - 6, what is the slope of line n?

Find the percent of change from 10 yards to 13 yards

Nora has 4 candles on her cake. Maria has 9 more candles than Nora. How many candles Maria have?

Judi uses 2 3/4 pounds of potatoes every week. How many pounds of potatoes does she use in 3 1/2 weeks?

Janice is asked to solve0=64x^2+16x-3 what is x

The measure of three angles of a triangle are (2x) °, (3x) ° and (x + 60) °. What is the value of x?

The length of a string in yards is a function f (n) of the length n in inches. write a function rule for this situation. a) f (n) = 36n / b) f (n) = n/12 / c) f (n) = 12n / d) f (n) = 1/36n

The total amount of a product available in a market at a given price is called the