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:
0.5
Step-by-step explanation:
Answer:
She’s 18
Step by step explanation:
18+13=31
Answer:x=-4 and x=4
Step-by-step explanation:
Took the assignment on edg 2020
Where is the graph so I can help you??