Answer: Im pretty sure it is D
Step-by-step explanation: I don't really know how to explain it.
I hope it helps tho ;)
Tell me if im wrong.
65% of all vehicles are passenger cars......20 vehicles crosses the bridge
this means that 65% of 20 are passenger cars..
0.65(20) = 13 cars are passenger cars.....leaving (20 - 13) = 7 that are other vehicles.
toll bridge charges $ 1 for passenger cars and 2.50 for other vehicles...
expected toll revenue is : 13(1) + 7(2.50) = 13 + 17.5 = $ 30.50 <==
Ok so the first thing you are going to do is chang the percentage into a decimal. 12 percent would change into 0.12, because in order to change a percentage into a decimal you move the decimal two places to the left. Next you would multiply 0.12 by 45 which gives you 5.4. But we are not done yet. By multiplying 0.12 x 45 we find how much weight she has gained. So our next and final step should be add 5.4 to 45 which gives us 50.4. Therefore your answer should be 50.4kg
Hope this helps!!!
Please tell me if I have made a mistake, I enjoy learning from mistakes!!
Have a great rest of your day!!
Answer:it’s x
Step-by-step explanation:
Sry if I’m wrong