Answer:
28x + 20
Step-by-step explanation:
Given
2.5(10x + 8) + 3x
Each term in the parenthesis is multiplied by 2.5
= 25x + 20 + 3x ← collect like terms
= (25x + 3x) + 20
= 28x + 20
2.5(10x + 8) + 3x = 2.5*10x + 2.5*8 + 3x
= 25.0x + 20.0 + 3x = 25x + 20 + 3x
