It can't be A because that's $12.25 in quarters.
Check out the others to see which fits.
Solve the problem using matrices.
John has a jarful of quarters and nickels. There are 84 coins in the jar. The value of the coins is $13.00. How many of each type of coin are there?
A) 49 quarters ; 35 nickels
B) 44 quarters; 40 nickels
C) 79 quarters; 5 nickels
D) 40 quarters; 44 nickels
3 answers
The answer is B.
44 quarters+40 nickels=84 coins
(0.25*44)=$11
(0.05*40)=$2
11+2=$13
44 quarters+40 nickels=84 coins
(0.25*44)=$11
(0.05*40)=$2
11+2=$13
Tony has a collection of coins valued at $5.45. In this collection there are only quarters and nickels. If he has 79 Nichols in this collection create any equation to find how many quarters, Q, he has
3 answers