Question

The amount of gasoline that 80 drivers bought to fill their cars’ gas tanks is shown. How many drivers bought more than 12 gallons?

a) 12
b) 18
c) 36
d) 48

Answer 1

What is the easiest way to solve a histogram?

Answer 2

> 12 gals => choose the bars with x >12

Answer 3

Actually, the answer was 36. How do you get this?

Answer 4

Did you follow my instruction?

Answer 5

From the bars with X gal > 12 --> read y number of drivers

Answer 6

22 - 23?

Answer 7

Do you find the bar with x = 12.1 -> 15?

Answer 8

Yes

Answer 9

read y value for this bar, can you?

Answer 10

Number of drivers for 12.1 - 15 = about 18.

Answer 11

Good job :) 16 + 2 = 18 !
Now read y value for the next bar, will you!

Answer 12

18 + 12 + 6 = 36

Got it..