do I just have to find the sum?
2/5x - 1 = 9
+1 +1
10
—— ——
2/5 2/5
x = 50
The answer to this equation is 13ft squared
Percent error is calculated using
((Actual - predicted) / actual) * 100
In this case, the actual value of the number of pages he read is 20. The expected value was 23. So simply plug in:
((20 - 23) / 20) * 100 = -15%
Please don’t forget to like and mark brainliest
The statistical question would be B.