Tasty and Suzanne are trying to throw a pizza party with their friends pizzas are 5$ each a drinks cost 2$ each. They need twice as many drinks as pizzas. After collection from everyone they have 18 dollars. How many drinks can they buy. Let x=# of pizzas and y=# of drinks Someone please help me with all the equations thank you.

15 batches are the most you can make

step-by-step explanation:

, and

for

step-by-step explanation:

we can analyze the pattern at which the terms increase. let us denote , , , so that we can call

note the following:

the pattern: to get the next term value, we just add the next term number (e.g. 1st, 2nd, to the previous term value (term values are the given numbers in the question, 1, 3, 6, 10, 15,

from , to get to , we add

from , to get to , we add

etc.

we need to form a recursive formula, a formula that has the next term as a function of the previous term. so a possible recursive formula can be

, and for

c ) y = 2.5 x - 26.25