Answer:
To the tenth = 2.8
Step-by-step explanation:
x*(x+5) = 22
2.8 * (2.8 + 5) = about 22
I think you could try adding up all the x and then divided
Answer:
635 (635.0293 not rounded)
Step-by-step explanation:
Percentage decrease = 30% × 25
New value = 25 - Percentage decreaseNew value =
25 - Percentage decrease =
25 - (30% × 25) =
25 - 30% × 25 =
(1 - 30%) × 25 =
(100% - 30%) × 25 =
70% × 25 =
70 ÷ 100 × 25 =
70 × 25 ÷ 100 =
1,750 ÷ 100 =
17.5
Absolute change (actual difference) =
New value - 25 =
17.5 - 25 =
- 7.5