Grant bought 30 movie tickets for a total of $200. Adult tickets cost $8 each, child tickets cost $3.50 each, and senior tickets cost $6 each. He bought twice the number of adult tickets than the number of
child and senior tickets combined. How many of each type of ticket did Grant buy?

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

answer is (b.

164 ft2)

a base  

18

b base  

7

h height  

8

answer: 5/2     2 1/2

step-by-step explanation:

5/2              

5 goes into 2 two times so its 2 and 1/2