Approximately how many times greater is 2.3 than 1.15 ?

a.
115

b.
200

c.
11,500

d.
20,000

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Which is a graph of a proportional relationship?