A bag is filled with pennies and nickels in the ratio of 4 to 2. There are 30 nickles in the bag, how many coins are there in that bag?	Choose the correct choice from the following choices:
A) 90
B) 50
C) 65
D) 70
E) 80
A ratio of pennies to nickels of 4 to 2 means that we can write the number of pennies and nickels in the form   number of pennies = 4x and number of nickels = 2x   But we know the number of nickels, 30. Hence   2x = 30   Solve for x   x = 15   The total number of coins is given by   4x + 2x = 6x  4  + 2= 
<gadget id="calculator"> 4  + 2</gadget>
<output>6</output>
6x= 6 × 15 = 90   90nswer : 90
<result>A</result>
A bag is filled with pennies and nickels in the ratio of 4 to 2. There are 30 nickles in the bag, how many coins are there in that bag?