20+17c if c is 50 or under and 20+15.80c if c is more than 50
Hey there :)
Before translating the sentence into mathematics, let r represent 'a number'
5 times a number = 5r
2 times that number = 2r
The difference between them = 5r - 2r
* Your equation
5r - 2r
* Solving the equation
= 5r - 2r
= 3r
Answer:
x=−21
Step-by-step explanation:
Answer:
1/2 and 0.5 is right
Step-by-step explanation: