Answer:
Mark 1 tic mark for lines XY/KM, 2 tic marks for lines WY/LM and 3 tic marks for lines WX/LK. for the angles Make 1 arc for angles W/L, 2 arcs for angles X/M and 3 arcs for angles Y/K
Step-by-step explanation:
60,000
Jane-2000
Peter-ratio of 5=25000
Marta-ratio of 7=35000
25000+35000
60000
-725
step 6 has an algebraic error