This is what I think:
#1: 800 - 50 = 750
#2: 800 divided by 2 = 400 - 50 = $350
Helen = 30 T (T = tickets)
Gina = 30 + 20 = 50 T
20% of 50 = 10
30 + 10 = 404
50 - 10 = 40
Gina must give 20% of her tickets for them to have equal amount of tickets.
Hope this helps!!
10/(20-15)=2 hours
20*2=40 miles
15*2+10=40 miles
Glen catch up with Maria after 2 hours at 40 miles
Answer: you just multiply the big by the percentage. But change the percentage to a decimal. There only two operating when dealing with percentage. Add or subtract. Once you multiply the percentage with big number add or subtract the answers with the big number.
Step-by-step explanation: