Yolanda had c dollars to begin with. She just spent 20 dollars. Using c, write an expression for the number of dollars she has left.

Lily saved $200. She bought a concert ticket for $120 and a t-shirt for $30. Which operations are used to find the amount of money Lily has left?

Rafael purchased n notebooks. They were 5 dollars each. Write an equation to represent the total cost c that Rafael paid.

Select the correct answer.Betty has a checking account and a non-interest-bearing savings account. Function C represents her checking account balance, where x is the number of months. Function S represents her saving account balance.𝐶⁡(𝑥)=-∣240⁢𝑥−140∣+1,400𝑆⁡(𝑥)=450⁢𝑥+100Which function represents Betty's total account balance, 𝑇⁡(𝑥) ? A. 𝑇⁡(𝑥)=-∣240⁢𝑥−140∣+450⁢𝑥+1,500 B. 𝑇⁡(𝑥)=-∣240⁢𝑥−140∣+450⁢𝑥+1,300 C. 𝑇⁡(𝑥)=-∣240⁢𝑥−140∣+450⁢𝑥+1,400 D. 𝑇⁡(𝑥)=∣240⁢𝑥+140∣+450⁢𝑥+1,500

Becky has $100 in the bank. She takes out d dollars, & has $63 left. Choose the right equation.

Shelby bought a bag of 30 sour candies. She ate c of the candies. Write an expression that shows how many sour candies Shelby has now.