The total cost of 9 rulers and 3 folders is $18.90, and if the cost of a ruler is $a and a folder is $1.10 more expensive

Find two numbers if their sum is 91 and the ratio is 6: 7?

According to the general equation for conditional probability if p(anb)=3/7 and p(b)=7/8 what is p(a i b)

Question 4 of 102 pointsjuliana had $96, which is eight times as much money as al had. how mucmoney did al have? select the correct solution method below, representingals money with x.