The total angle sum of a triangle is 180°
As such, 180= 78 + 2s +4s
102= 6s
s=17
7 + 2x = 51
hope this helps
Answer:
562.84
Step-by-step explanation:
788.44-225.6 = 562.84
Srry if I'm worng
Answer:
-1/9 (x+27)
Step-by-step explanation:
Divide the whole expression by -1/9.
-1/9x becomes x
-3 becomes + 27
60% is answer...20% is taken each year so After 2 yrs it's 40% less 100-40 is 60
