Answer:
25
Step-by-step explanation:
Her average is already 25 (25+23+27=75/3=25) so she needs the same to keep the average 25
Answer:
19 100 000
Step-by-step explanation:
The digit in the hundred thousands place is 0. The digit on its right is 5 and since the rule in rounding off states that if the digit beside the rounding digit is at least 5 or higher, round up by copying the digits at the left of the rounding digit, adding 1 to the rounding digit and replacing the digits after it to 0s.
Answer:
x = 19
Step-by-step explanation:
Question: find x such that f(x) = 2/3
Given f(x) = (-1/3) x + 7
equate the value of f(x) to be 2/3
hence,
(2/3) = (-1/3)x + 7 (multiply both sides by 3)
(3) (2/3) = (3) (-1/3)x + (3) 7
2 = -x + 21
x = 21 - 2
x = 19
Answer: 11 years
Step-by-step explanation: 3960 divided 12%= 33,000 divided 3000=11