Answer:
11
Step-by-step explanation:11-4=7+4 + 11
Answer:
19)tu=12
20) true
Step-by-step explanation:
19) (22+5x)+(19-2x)=35
3x+41=35
3x=-6
x=-2
TU=22+5*-2
=12
Answer:
10%
Step-by-step explanation:
The change is 90-100 = -10. As a percentage of the original amount, that is ...
-10/100 × 100% = -10%
The change from 100 to 90 is a reduction of 10%.
$15
The cost goes up by $5 each time
Inequality:
(3/10) ≥ k - (3/5)
Add 3/5 to both sides:
k ≤ (3/10) + (3/5)
Use LCD:
k ≤ (3/10) + (6/10)
Combine:
k ≤ 9/10
