Answer:
10y+5
Step-by-step explanation:
5 x 2y = 10y
5 x 1 = 5
10y + 5
Expand the expression!
(2y + 1) * 5 : We have to multiply each factor by 5
2y * 5 = 10y
1 * 5 = 5
Combine those values, and we get 10y + 5 :)
