Basically add up the given side lengths and subtract that from 180 for the triangles
12 x 40 = hours she worked = 480
3 x 31 = appointment fee = 93
480 + 93 = 573
3.67 teaspoons, and 1 divided by 17 is 0.05 teaspoons. (All you have to do is divide the teaspoons by X(17).
The answer is 60. Because if u do 30% x by 200 but u need to get rid of the percent which means u divide it by 100 to get rid of a percent and multiply by a hundred to get a percentage. So it would be 30 x 200 divided by 100.
