Answer: 20 6-cents, 30 8-cents, 10 10-cents and 2 20- cents
Step-by-step explanation:
6 cent = x+10
10 cent= x
8 cent= 3x
20 cent=2
6x+60+10x+24x+40
400 divided by 40=X
x=10.
10+10=20/ 6 cents
3x10=30/ 8 cents
x=10/ 10 cents
20 cents= 2.
Answer:
$7 for the first question
$6.50 for the last one
Answer:
Angle1:12
Angle2:168
Step-by-step explanation:
Angle 1+angle 2=180
X-9+8x=180
9x=189
x=21
angle1=21-9=12
Angle2=180-12=168
