Jack has only dimes and quarters in his bank. There are 12 coins in the bank and the total value of the coins is $1.95. How many dimes and quarters does Jack have in his bank?

He has 5 quarters and 7 dimes.

Step-by-step explanation:

25 + 25 + 25 + 25 + 25 = 1.25

7 + 7 + 7 + 7 + 7 + 7 + 7  = .70

1.25 + .70 = $ 1.95

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.