Question

математика помогите пж

Answer 1

1)

242 * x = 5 * 1,21

242x = 6,05

x = 6,05 : 242

x = 0,025

2)

13 * (y + 1) = 16,9 * 10

13y + 13 = 169

13y = 169 - 13

13y = 156

y = 156 : 13

y = 12