We know that the number of coins that each roll contains is <span>rolls of quarters-------> 40 coins </span><span>rolls of Dimes---------> 50 coins </span><span>rolls of nickels------> 40 coins
</span><span>four rolls of quarters------> 4*40*$0.25-----> $40 </span>t<span>hree rolls of Dimes-----> 3*50*$0.10------> $15 </span><span>six rolls of nickels-------> 6*40*$0.05-----> $12
Considering that 1 kilogram is equal to 1000 grams and he made 9 loaves of bread using 30 grams each time, that equates to 270 grams of olives. 1000 - 270 = 730. Your answer is 730 grams of olives remain. Hope this helped.