Answer: 6
Step-by-step explanation
So you have bought 4 note books each for $0.89 each. Right off the bat we have to multiply the 0.89c by the number of books we bought which is 4.
$0.89 x 4 = $3.56
And contuniung in it says that you bought some reams of paper and a ream of paper costs $1.69. And they want to know how much you bought if you spent $13.70 in totall. So all we have to do now is sumbtract the amount of money spent on the 4 notebooks to see how much money is left.
$13.56 -$3.56 = $10.14
Now to find the final answer we have to divide the $10.14 by $1.69 no find out how much reams of paper we bough.
$10.14 ÷ $1.69 = 6
There for the total amount of reams of papar we bought is 6.