SOLUTION: Noah saved 4732 pennies. He gave 2/7 of the pennies in the missionary iffering. How many pennies does he have left? Write the amount that is left using a dollar sign and decimal p

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: Noah saved 4732 pennies. He gave 2/7 of the pennies in the missionary iffering. How many pennies does he have left? Write the amount that is left using a dollar sign and decimal p      Log On


   

Question 1074084: Noah saved 4732 pennies. He gave 2/7 of the pennies in the missionary iffering. How many pennies does he have left? Write the amount that is left using a dollar sign and decimal point.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
If he gave +2%2F7+, then he has +1+-+2%2F7+=+5%2F7+ left
+%285%2F7%29%2A4732+=+3380+
Convert to dollars:
[ number of pennies ] x [ 1 dollar / 100 pennies ]
+3380%2A%28+1%2F100+%29+=+33.8+
$33.80 is the amount he has left in dollars