There are 42 lorries, 54 cars and 284 motorbikes on a ferry. 70 more vehicles board the ferry at Harbury and none leave.
Now 18% of the vehicles on the ferry are cars.
How many of the 70 vehicles that boarded at Harbury were cars?

x = 27

Step-by-step explanation:

answer: for each 3 girls there is 2 boys . 3: 2

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yes

step-by-step explanation:

so of course you want to start by plugging the 5 in which goes to 7(5)+3(5)=50 because 7*5=35 and 3*5=15 and then add them together, then plug in the 5 to the other equation as well 9(5)+5=50 because 9*5= 45 and then add 5 and so yes they are equivalent.