Answer:
23
Step-by-step explanation:
(x-3)(9) = (10)(18)
9x - 27 = 180
9x = 207
x = 23
To find 50 percent, you multiply the number by 0.5 (for 30%, 0.3 etc.).
42.88 * 0.5 = 21.44
Answer is 36.
20 * 80/100 = 16
20+16=36
The answer is 42 mpg, all you need to do is divide 126/3 or 210/5 and they both equal 42.
Answer: A proportion can be solved to relate the sample to the population and solved to form an estimate.
Step-by-step explanation:
