Answer:
1+1 = 2
Step-by-step explanation:
-1 + 3 = 2
The only way to do that is with +7 and -7 .
The decrease was 27%.
Step-by-step explanation:
Old value = $980
New value = $720
Decrease = Old value - New value

Percent decrease = 

Rounding off to near whole percent
Percent decrease = 27%
The decrease was 27%.
Keywords: Percentage, subtraction
Learn more about subtraction at:
#LearnwithBrainly
I mean, there is no decimal place, so you can’t determine to the nearest hundredth place.
For the hundreds place, it would round to 100, though.