Answer:
Sum of 10 times a number and fifteen is added to eleven times the same number is therefore: 10x + 15 + 11x = 21x + 15
Step-by-step explanation:
Answer: c the third option
2x + 4 I would assume
3 + 1 = 4
(combining like terms)
0.05
2/40
1/20
30×3=90 10×9=90 45×2=90 . .