40 is 8% of what number? i need to know how the problem is solved

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Find the value of x. give reasons to justify your solutions! c ∈ ae

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read