Sally has seven times as many dimes as nickels. Their value is $3.00. How many nickels does she have?

Question

anonymous · Answer

0.75n= 3

anonymous · Answer

4 nickels, 28 dimes http://www.algebra.com/algebra/homework/Expressions-with-variables/Expressions-with-variables.faq.question.175614.html

anonymous · Answer

No giving Answers

anonymous · Answer

but u did

anonymous · Answer

no i didn't

anonymous · Answer

stop staring fights in a question

anonymous · Answer

First of all @kathy0514 : A Warm Welcome to 'Open Study'. Please Read CoC (compulsory to read by all "Open Study" users) : http://openstudy.com/code-of-conduct

anonymous · Answer

Let d and n be the number of dimes and nickles respectively.
Express the problem using pennies.
From the problem statement the following is true.
$$\left\{\frac{d}{n}=7,10d+5n=300\right\} $$

anonymous · Answer

FYI I am not new and last time stop starting fights in chat or I will call ash