students are selling grapefruits and nuts for a fundraiser. the grapefruits cost $1 each and a bag of nuts cost $10 each. they sell 100 items and made $307. how many grapefruits did they sell?

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.

Solve for b. ab + c= d b= a + old ob=allc-ch b= (d-c/a