Caleb bought a boogie board and used a coupon for $8.50 off of the cost. fill in the box with the expression that represents the total cost. let t represent the total cost and b represent the original cost of the boogie board.

How to solve it and what thw answer is

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below.the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

If 25% of y is 30, what is 60% of y?