Answer:
Amelia is <u>5 years</u> old
Let x be Amelia and y by Etta.
[] Amelia is 3 years younger than Etta.
x = y - 3
[] The product of their ages is 40.
x * y = 40
We can use a system of equations to solve
[] The system
a = e - 3
a * e = 40
[] Graphing
-> See attached
[] The answer is 5
Have a nice day!
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- Heather
Answer:
The total of 4 cups lasts 8 days to Mr. Simpson.
Step-by-step explanation:
The 1/2 cups of food lasts 1 day
⇒ 1 cup of food lasts = = 2 days.
Now, Mr. Simpson has 4 cups.
So, 4 cups last him = 4 x 2 days = 8 days
Hence, a total of 4 cups lasts 8 days to Mr. Simpson.