Answer:
7 hours
Step-by-step explanation:
Answer:
75 percent
Step-by-step explanation:
percent increase = increase/original ×100
= (35-20)/20 ×100 =15/20 ×100= 15×5= 75
Answer:
the answer is c, hope this helps
Answer:
it is the first one
Step-by-step explanation:
50 cents beacuse in 1970 it cost 50 cents in 1980 it cost 1.00
