so all angles of a triangle are going to add up to 180°
<u>so for L</u>
20 + 72 + x = 180
92 + x = 180
180 - 92 = 88
<u>For I</u>
56 + 89 + x = 180
180 - 145 = 35
<u>For C</u>
28 + 128 + x = 180
180 - 156 = 24
<u>For D</u>
122 + 38 + x = 180
180 - 160 = 20
Answer:
9
Step-by-step explanation:
y= 1 1/2
6 pens for 36$ then 2 pencils for 2$ equal 38$