A package of poster board usually sells for $8.40. This week the package is on sale for $6.30. What is the percent of discount?

A. 21%

B. 15%

C. 33.3%

D. 25%

1+1+7+8+5+7+1+1+7+5+3+4

Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost $2.50 each. She spent a total of $50. Use a system of equations to find the number of highlighters and gel pens Mrs. Hernandez bought.

The sum of a number and twice another number is 12. What is their maximum product?

We are going to approximate f by three polynomials, of degrees 1, 2, and 3. Let's call them p1, p2, and p3, respectively. p1 will be determined by the requirement that p1 (1)

After five tests Allison's average score was 88. After six tests her average score had increased to 90. What was her score on the sixth test?

Brent divided 3/1/8 by a number and got 4/1/2 what number did he divide by?

Two men were walking on a street. one men one man fell off. who is left?

Why is 20 to 40 is a 100% increase but 40 to 20 is a 50% decrease

Katoni bought 2 1/2 dozen pencils. There are 12 pencils in a dozen. How many pencils did Katoni buy?

How to work out 2/3 of 8