Let's solve your equation step-by-step
16.8-(-23.72)-31.3=x
Step 1:simplify both sides of the equation
16.8-(-23.72)-31.3=x
16.8+23.72+-31.3=x
(16.8+23.72+-31.3)=x (combine like terms)
9.22=x
9.22=x
Step 2: flip the equation
Answer: x=9.22
Answer: 32 students
Step-by-step explanation: 8 x 4 = 32
it would be 100.01% That is because in a percentage you have to move the decimal point two places to the right.