It can help because 9×4 =36, and 9×8=72. if you divide 72 by 2 you get 36 which is the answer to 9 ×4. basically because nine is the same in both problems you are multiplying by 4 (and you know 4 is half of 8) you can assume that multiplying the sum of 4 and 9 that you will get the sum of 8 and 9.
Answer:
138.80
Step-by-step explanation:
I took 149.99 times 15% then times that by the tax rate to get your final answer.
A number that is less than 85, the number has 26 and 6 as factors is, 78
That is true because factors of 40 are 10,5
Answer:
98 boxes
Step-by-step explanation:
If 56 is 
of the total, we can set up an equation like this:
Where T is the total number of boxes.
Solving for T gives us the answer:
There were 98 boxes in total.
