Answer:
Simon's Age = 47
Marcie's Age = 11
Step-by-step explanation:
<em>The question is to find Simon's age and Marcie's age.</em>
<em />
Let Simon's age be x and Marcie's age be y
<u>Simon is 3 years more than 4 times marcie, so we can write:</u>
x = 4y + 3
Also,
<u>Sum of their ages is 58, so we can write:</u>
x + y = 58
or x = 58 - y
Now, we substitute this into 1st equation and solve for y first:
![x = 4y + 3\\58-y = 4y + 3\\58-3=4y+y\\55=5y\\y=\frac{55}{5}\\y=11](https://tex.z-dn.net/?f=x%20%3D%204y%20%2B%203%5C%5C58-y%20%3D%204y%20%2B%203%5C%5C58-3%3D4y%2By%5C%5C55%3D5y%5C%5Cy%3D%5Cfrac%7B55%7D%7B5%7D%5C%5Cy%3D11)
We know
x = 58 - y
so,
x = 58 - 11
x = 47
So,
Simon's Age = 47
Marcie's Age = 11
Answer:
2nd 3rd and last option
Step-by-step explanation:
2.
3.
6.
Answer:
Step-by-step explanation:
Add and then multiply the one left
Answer: Approximately 79 Percent
Step-by-step explanation:
The confidence level used in this estimation is approximately 79 percent.