Answer:
d
Step-by-step explanation:
1. Twelve increased by a number a
2. Thirty one less than a number r
3. The product of nineteen and a number t
4. b divided by a three
5. Three is less than a number c
6. Two is added by the number x which is divided by eight
7. Six is less than a number y which is divided by eleven
8. Twenty one times a number d increased by thirteen
Answer:
9x -2
Step-by-step explanation:
(7x + 3) + (4x - 1) - (2x + 4)
Distribute the minus sign
(7x + 3) + (4x - 1) - 2x - 4
Combine like terms
7x+4x-2x +3 -1-4
9x -2
Since you keep proportional dimensions, the proportion between the old and new dimensions must be the same. So, if we call the new height
, the preservation of the width/height ratio is written as

Solving the proportion for
yields

Answer:
60, 75, 90, 105, 120
Step-by-step explanation: