Question

alg1.3 lesson 1: two - way tables
cool down: oh, deer
forest rangers record information about some of the deer in the forest they oversee. use the two - way table to answer the questions about the deer they observed.

	younger than 1 year old	1 year old or older
no antlers	23	15

1. how many of the observed deer younger than 1 year old have antlers?
2. how many of the observed deer are 1 year old or older?
3. how many different deer are included in the table?

Explanation:

Step1: Find number of 1 - year - old or older deer

Add the number of 1 - year - old or older deer with antlers and without antlers.
$12 + 15=27$

Step2: Find total number of deer

Add all the values in the table.
$0+12 + 23+15=(0 + 12)+(23 + 15)=12+38 = 50$

Answer:

1. 27
2. 50
3. 50