Anumber increases by 10%, and then decreases by 10%. will the result be greater than, less than, or equal to the original number? explain.

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0