Alrighty, so: Question 9.) We know that each box has a total of three toys, therefore whatever answer we choose must be a multiple of 3. Answer E.) 12 is the only multiple of 3. Question 10.) The numbers are going up by 13. 63 is what I got as the answer. Question 11.) A Question 12.) A
Hope this helps! Been a while since I've done math like this.
What you must do for this case is subtract both quantities and verify the final result. We have then: 15 3 / 10-13 9/10 = Rewriting 15.3 - 13.9 = 1.4 = 1 4/10 answer: this month fell 1 4/10 more centimeters of rain