Rap has less than 20 seconds to change costumes between two scenes. express this inequality using the variable “c”.

Answer this question, only if you know the answer. 30 points and brainliest!

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers