SOLUTION: i have 20 <s>couns</s> coins. X of them are 2 rand coins and the rest are 5 rand coins. An expression in terms of x for the number of 5 rand coin i have is

Click here to see ALL problems on Word Problems With Coins

Question 1043493: i have 20 ~~couns~~ coins. X of them are 2 rand coins and the rest are 5 rand coins. An expression in terms of x for the number of 5 rand coin i have is
Answer by josgarithmetic(39630) (Show Source):
You can put this solution on YOUR website!
The question and description gives no indication of the count of the money; but just count of the coins. The problem is using uppercase X for how many two-rand coins and lower case x for how many five-rand coins, but a better designed problem should or at least COULD direct to use different letters as variables to avoid possible confusion between these two.

and

--
I read the problem description again. It is written wrongly. Either x is how many of the two-rand coins, or x is how many of the five-rand coins. The second sentence says, X is how many of the two-rand coins. The third sentence being the question, asks for an expression "in terms of x" for how many five-rand coins. Now we must question, what is x to stand for? x is not 20; x is not X. We have NO MEANING FOR x.

Do not capitalize a variable when it starts as the first "word" of a sentence written in English. Being the first word of a sentence IS NOT A JUSTIFICATION to capitalize it.

You most likely have this as your exercise:
I have 20 coins, and x of them are two-rand; and the rest are five-rand coins. What is an expression in terms of x for the number of five-rand coins?

Let y be how many of the five-rand coins.