34 is what percent of 80? (Round to the nearest whole number)

42.5

34:80*100 =

(34*100):80 =

3400:80 = 42.5

logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.