Bob ate 3/5 of ham and pineapple pizza, 3/8 of pepperoni , and 1/4 of four cheese pizza. How much pizza is left

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

The following division is being performed using multiplication by the reciprocal find the missing numbers is 5/12 divided by x/3 equals 5/12 times x/10 equals 1/x

Using elimination, what is -4x+2y=-12 4x+8y=-24