The solution is 4x+2x=6x then 6x+10=solution
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%
Charlie must have had 11 rice cakes
You multiply 120 times 3 to get 360
then 800- 360 = 440
440 divided my 40 = 11
The answer to this is negative
Difference is 61.75 and the answer is 33.25 for the total price after reduction
