You have to divide both sides by 5 because it states"5t" and you should get "t=20"
The Answer Is Gonna Be 1/2 Or -3/4.
1.9+2.2= 4.1
1.9•2.2= 4.18
4.18-4.1= .08
Answer:

Step-by-step explanation:
step 1
Find the surface area of one hanging lantern
we know that
The surface area of a cone (hanging lantern) is equal to

we have


assume

substitute the values


step 2
Find the surface area of the three hanging lanterns
