The ration of the boys to the number of children at a carnival is 3: 8 therr were 40 more girls than boys at the carnival. how mnay children were there at the carnival altogether?

51 maybe? I tried. I believe that would be correct.

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,