50+50-0*69/21
50+50-0
50+50
<span>100</span>
Value of 8 in 3,810,200 is 800,000
Value of 8 in 8,911,053 is 8,000,000
800,000 x 10 = 8,000,000
Therefore, the 8 in 3,810,200 is 10 times smaller than the 8 in 8,911,053.
1 hour is 60 minutes
6 hours x 60 = 360 total minutes
Divide total time by number of lessons:
360/8 = 45
Each lesson was 45 minutes
Answer:
2
Step-by-step explanation:
6.9-2.1=4.8
4.8-2.8=2
25 years old
25years old+25 years between=50 Erin's father
25 years old+50 Erin's father=75