Answer:
x + y = 8
20x + 110y = 340
Step-by-step explanation:
Known facts:
- 50 dollars is the initial amount in the saving account
- 50 dollars is added every week into the savings account.
Variables:
- x: # of weeks
- y: total amount of money in savings
Set equation based on known facts and variables:
y = 50x + 50, 50x is the rate at which it grows depending on
the week and 50 is the initial amount there
Hope that helps!
There is no simpler ratio then 1:4. So the answer is 1:4.
The formula of the volume of a cylinder:

We have:

and

substitute:
Answer: The area of a base of the cylinder is equal 45 dm².
Answer: Yes
Step-by-step explanation: hope it helps