Whats the decription f this problem please help

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?