A survey was conducted in local town on modes of transportation to work. The following circle graph shows the number of people w
ho utilize each mode of transportation. If 320 people were surveyed, about how many of them would be expected to take a bus to work?
A. 42
B. 112
C. 130
D. 82
1 answer:
The numbers in ur circle add up to 120.....so the ones that took the bus were 42...
42/120 = x / 320...42 bus riders to 120 ppl = x bus riders to 320 ppl
cross multiply
(120)(x) = (42)(320)
120x = 13440
x = 13440/120
x = 112 <===
or u can also do it this way...
42/120 = 0.35 = 35%....so 35% took the bus
35% of 320 = 0.35(320) = 112 <=
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