That would be negative 27.
It is minus ten.
Eighteen minus negative nine is twenty-seven 18-(-9)=27
Negative twenty nine minus negative twenty one is negative eight.
eighteen is the answer to nine plus nine
-9 - -9 = 0
-9 minus -5 is -4
Nine divided by six times three times eighteen minus fifty divided by five = 71
Positive nine, or plus eighteen.
9 Quarters are equal to eighteen dimes and nine nickels. Eighteen dimes equal to $1.80. Nine nickels equal to 25 cents. So $1.80 + 25 cents = $2.25 You need exactly 9 quarters.