Answer:
Fred is 28 yrs old. Nathalie is 12yrs old
Step-by-step explanation:
Let Nathalie's age be x
Let Fred's age be a
x+a=40 yrs•••••1
4x+a=76yrs•••••2
a=40-x
Substitute a for 40-x in equation (2)
4x+40-x=76
3x=76-40
3x=36
x=12
a=40-12
a=28
Answer:
If 8 Treasure Chests per 4 Hours so
12 Treasure Chests for 6 Hours
10 treasure Chests for 5 Hours
Step-by-step explanation:
If 8 Chests every 4 Hours, then 2 Chests is every 1 hour. Count up each hour, add 2 chests.
To the nearest inch it'll be
d×3.14=63
= 20 inches
Answer: 1/4
Step-by-step explanation: 20 is a fourth of 80
Please mark brainleist if I got it right. I really need it to level up
