the histogram shows the lengths of 12 guinea pigs. how many guinea pigs are at least 20 cm long? guinea pigs…

the histogram shows the lengths of 12 guinea pigs. how many guinea pigs are at least 20 cm long? guinea pigs are at least 20 cm long.

the histogram shows the lengths of 12 guinea pigs. how many guinea pigs are at least 20 cm long? guinea pigs are at least 20 cm long.

Answer

Explanation:

Step1: Identify relevant bars

Bars for lengths 20 - 25, 25 - 30, 30 - 35, 35 - 40 are relevant.

Step2: Read heights of bars

Height of 20 - 25 bar is 4, 25 - 30 is 2, 30 - 35 is 2, 35 - 40 is 1.

Step3: Sum the heights

$4 + 2+2 + 1$

Answer:

9