Answer:
Step-by-step explanation:
0.40beta%2Bbeta=180-5
1.40beta=175
beta=175%2F1.40
highlight%28beta=125%29�
then alpha%2B125=180 =>alpha=180-125 =>highlight%28alpha=55%29
Answer:
I think that the original price would be $30, but I'm not completely sure.
Step-by-step explanation:
Half (50%) of 40 would be 20, and half of 20 (25%) would be 10. Add 10 to 20 to get 30, because you are adding the %25 back to $20.
Hope this helps!
Answer: x=4
Step-by-step explanation:
similar triangle so corresponding parts are similar
cross multiply
70 = 20x-10
80 = 20x
x = 4
Answer:
3°
Step-by-step explanation: