need help answering show full/all work pls

(9 d. The school year is approximately 32 weeks long. Will Ahmed have enough money if he continues to spend his savings by the same amount each week? (9 e. What is one assumption made in order to answer part d.? 7. A famous fractal called the Sierpinski Triangle starts with one black triangle. The triangle is then cut into four equal pieces, and the three outer triangles are coloured black and the inner triangle is white. Each of the three black triangles is again divided into four equal triangles, and the three outer triangles are shaded black. (D a. Suppose the area of the rst triangle is 100 cm2. Determine the black shaded area in the second triangle. Do the same for the third triangle. @ b. Write the general term describing the shaded area of the nth Sierpinski Triangle. @ c. Suppose the diagram continued on. What total area would be shaded in the rst ten Sierpinski Triangles? Round to the nearest whole number. @ d. Suppose the fractal continued forever. Determine the total area shaded in all the triangles, if possible