Last year, for every 100 million vehicles that traveled on a certain highway, 100 vehicles were involved in accidents. If 2 billion vehicles traveled on the highway last year, how many of those vehicles were involved in accidents? (1 billion = 1,000,000,000)
Choose the correct choice:
A) 500
B) 1500
C) 2500
D) 2000
E) 1000
To solve we will set up a proportion. We know that “100 million vehicles is to 100 accidents as 2 billion vehicles is to x accidents”. To express everything in terms of “millions”, we can use 2,000 million rather than 2 billion. Creating a proportion we have:   100/100 = 2,000/x   Cross multiplying gives us:   100x = 2,000 * 100   x = 20 * 100= 
<gadget id="calculator">20 * 100</gadget>
<output>2_000</output>
2000   Answer : 2000
<result>D</result>
Last year, for every 100 million vehicles that traveled on a certain highway, 100 vehicles were involved in accidents. If 2 billion vehicles traveled on the highway last year, how many of those vehicles were involved in accidents? (1 billion = 1,000,000,000)