1. THERE ARE 32 COINS IN A PIGGY BANK CONSISTING OF PENNIES, DIMES, AND QUARTERS, T HE TOTAL VALWE OF THESE COINS IS $2.81. IF THE NUMBER OF PENNIES IS THE NUMBER OF DIMES AND QUARTERS COMBINED, HOW MANY DIMES ARE IN THE PIGGY BANK ?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.3: Solving Problems With Two Variables
Problem 21P
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Solve the following story problem using a 3x3 system of equations
B. SOLVE THE FOLLOWING STORY PROBLEMS
USING A 3X3 SYSTEM OF EQUATIONS:
1o THERE ARE 32 COINS IN A PIGGY BANK
CONSISTING OF PENNIES, DIMES, AND
QUARTERS, THE TOTAL VALWE OF THESE
COINS IS $2.81. IF THE NUMBER OF
PENNIES IS THE NUMBER OF DIMES AND
QUARTERS COMBINED, HOW MANY DIMES
ARE IN THE PIGGY BANK ?
Transcribed Image Text:B. SOLVE THE FOLLOWING STORY PROBLEMS USING A 3X3 SYSTEM OF EQUATIONS: 1o THERE ARE 32 COINS IN A PIGGY BANK CONSISTING OF PENNIES, DIMES, AND QUARTERS, THE TOTAL VALWE OF THESE COINS IS $2.81. IF THE NUMBER OF PENNIES IS THE NUMBER OF DIMES AND QUARTERS COMBINED, HOW MANY DIMES ARE IN THE PIGGY BANK ?
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