2/3n + 6 + 3n - 2/3 =

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?