1.75=12.3-x/2.8
x=(12.3-1.75)2.8
x=29.54
<u><em>Statement B. Is correct.</em></u>
Hello there! Your answer would be '<em>the actual distance between the cities is 320 kilometers</em>'.
Okay, so to solve this, we can use unit rates. We know that for every one centimeter we have eighty kilometers. So, whatever we multiply the centimeter value by, we can multiply the kilometer value by the same number and get our answer.
So if the centimeter value is 4, multiply the kilometer value by 4.
80 x 4 = 320
This means that the cities are 320 kilometers apart, and you have your answer!
Hope this helps, and have a great day!
The weight of a 170 cm steel bar will be 5 Kg
Step-by-step explanation:
Derek uses a 136 cm flat steel bar that weighs 4 kg to make rack in the garage.
1 kg = 1000 gm
So the weight of 1 cm steel bar will be kg
Weight of 1 cm bar = gm
Let the weight of a 170 cm steel bar will be × gm
⇒ × gm
⇒ 5000 gm
⇒5 kg
Hence, the weight of a 170 cm steel bar will be 5 Kg