Julia is going to the store to buy candies. small candies cost $4 and extra-large candies cost $12.she needs to purchase at least 20 candies, but she cannot spend any more than$180.

Small candies

Extra large candies

Step-by-step explanation:

Let small candies

Extra large candies

the number of candies is at least .

Cost of small candy

Cost of extra large candy

but she has only to spend

Solve for

Since number of candies should be integer.

let

total spend which is more than , so this combination is not possible.

She has more so she can buy more small candy.

Hence  small candy

extra large candy

2 x t divided by n

step-by-step explanation:

answer: all the values are within because it has a pattern that repeats from -6 to 4.

good luck!