Answer:
Step-by-step explanation:
Check out this surface area of a cylinder calculator and find answers to these ... take many various forms, the term cylinder usually means the right circular cylinder. ... To calculate the base surface area, you need to compute the area of a circle ... Then enter it, together with the height, into the empty fields of our calculator.
Let
x------> Cathy's<span> ages
</span>y------> Tony's ages
we know that
x+y=65-----> x=65-y-----> equation 1
y-8=(2/5)*(x-8)-----> equation 2
substitute equation 1 in equation 2
y-8=(2/5)*(65-y-8)---> y-8=22.8-0.4y----> y+0.4y=22.8+8
1.4y=30.8-----> y=22
x=65-y-----> x=65-22----> x=43
the answer is
Cathy's ages is 43 years
Tony's ages is 22 years
Answer:
The answer to the question provided is 
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