Use proportions.
(a)
2 workers are to 19 as x workers are to 38
2/19 = x/38
x = 4
(b)
2/19 = x/76
x = 8
(c)
2/19 = x/133
19x = 2 * 133
19x = 266
x = 14
2.4/80 is the division sentence
The answer to this question is -5.
Answer:
C
Step-by-step explanation:
This has to be C because you need to divide pi from r squared bc they r multiplied. Then you get a/pi = r squared. You need to find the square root of a/pi. So r equals square root a/pi.
