Answer:
3 is 15 degrees and 1 is 67 degrees
a) x=4
10+2x+6=24
-2x. -2x
10+6=-2x+24
-24. -24
10+6-24=-2x
simplify
-8=-2x
divide both sides by -2
4=x
2. x=7
14+3x+5=40
-3x. -3x
14+5=40-3x
-40. -40
14+5-40=-3x
-21=-3x
divide both side by -3
7=x
Answer:
The cost has been reduced by approximately 33%.
Step-by-step explanation:
1% of 120 is 1.2.
80 divided by 1.2 is 66.66666666...
Meaning that $80 is about 66% of the original cost. Therefore, about 33% of the cost was removed.
Hope this helps