To solve this problem, we need to know the formula for the nth term of an arithmetic sequence. The formula is
= t₁ + (n-1)d, with
being the nth term, t₁ being the first term, and d being the distance between terms. Now we can substitute values to figure out what
is. When substituting, the equation becomes:
= 12 + 29(-6)
= -162
That means that the 30th term in this arithmetic sequence is
-162.
Cookies = 24
drinks = 8
Apply ratios
Cookies / drinks = 24/8 = 3
drinks /cookies = 8/24 = 1/3
5.
There are 3 times as many cookies as drinks
There are 1/3 times as many drinks as cookies
6.
drinks = 8
pizzas = 2
Drinks/pizzas = 8/2 = 4
Pizzas / drinks = 2/8 = 1/4
There are 4 times as many drinks as pizzas.
There are 1/4 times as many pizzas as drinks.
7.
Cookies = 24
pizzas = 2
Cookies /pizzas = 24/2 = 12
Pizzas / cookies = 2/24 = 1/12
There are 12 times as many cookies as pizzas.
There are 1/12 times as many pizzas as cookies.
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Answer:
1. 
2. 
65%
3. 
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