Please help with these two questions I put it to be 24 points please help me I would really appreciate it

For the first one just read it put it has to be 90 words

And the second one you have to make up a word problem with 50 words and the second part you have to show how you can rewrite the problem using at most 25 words please help me

1. $6.20

2. Samantha has $79, she decides to go to the mall and buys 6 dresses that are $7 each. She thinks that she might not have enough money so she returns 2 dresses. She then finds out that she has more than enough so she buys a candy bar for $5. How much money does she have left?

Sam has $79, she buys 6 dresses that cost $7 each. She returns 2 dresses and then buys a candy bar for $5. How much money does she have left?

Step-by-step explanation:

1. you can write an equation to represent the word problem

20-(2.10+0.9x)

20-(2.10+0.9(13)

20-(2.10+11.7)

20-(13.8)

6.2