Answer: 28
the cost of 7 diaries is 28
Step-by-step explanation:
First you have to find out the cost of one diary by dividing 12 by 3, that will give us 4, and then the last step is multiplying 4 by 7.
C.33.33%
There is a 3 out of 9 chances for the spinner on 3,6, or 8. divide 3 by 9 and multiple by a 100 to get the percentage.
30 + 2 = 32