Bobbie: x comic books Kenny: 9 more comic books than Bobbie: x + 9 Together: 95 comic books
To write the equation that could be used to find the number of comic books they each have, we have to put it together: x + (x + 9) = 95 x + x + 9 = 95 2 * x = 95 - 9 2 * x = 86 /2 x = 86 / 2 x = 43
Result: Bobbie has 43 comic books, Kenny has 52 comic books (43 + 9).
In total, Kay took 5+14+2=21exams. she got 80%-90% on 14 of them. the probably is 14/21 which is 2/3. Therefore, the probability of Kay getting 80%-90% on her next exam is 2/3 or 66.6%
