<span>$60.00 - $42.00 = </span><span>$18
</span><span>$18 / $60 = 0.30 = 30%
Answer
Decrease 30%</span>
I would argue that it does due to that if it increased, it's either from a 30% chance that nothing changed or that the teachers did it. Since 100-30=70, there's a 70 percent chance that the teaching effect did work!
Answer:d
Step-by-step explanation:
Answer:
Step-by-step explanation:
When two integers are in different sign, subtract and the result will have the bigger number sign
-7 + 9 = 2
Subtract and the 9 is the bigger number and its sign is +. So, the result is = +2 or 2
