Answer:
try math-way they explain everything in depth
Step-by-step explanation:
x = 0.1515...
100 x = 15.1515...
100 x - x = 15.1515... - 0.1515...
99 x = 15
x = 15 / 99 = 3 ∙ 5 / 3 ∙ 33 = 5 / 33
0.1515... = 5 / 33
5(3.2)+3(5)
3.2×5=16
3×5=15
16+15=31