Answer:
In three years, cost (Value) = 47.70
Step-by-step explanation:
When the decrease is relative to the last value, it is exponential.
Depreciations are usually exponential.
In three years,
Value = 70*(1-0.12)^3
= 47.70
" the sum " means add
16 + x = 20 <= ur equation
x = 20 - 16
x = 4 <== the number
Y=<span>−33/<span>5
</span></span><span><span><span><span>53</span>y</span>+3</span>=<span>−8</span></span>Step 1: Subtract 3 from both sides.<span><span><span><span><span>53</span>y</span>+3</span>−3</span>=<span><span>−8</span>−3</span></span><span><span><span>53</span>y</span>=<span>−11</span></span>Step 2: Multiply both sides by 3/5.<span><span><span>(<span>35</span>)</span>*<span>(<span><span>53</span>y</span>)</span></span>=<span><span>(<span>35</span>)</span>*<span>(<span>−11</span>)</span></span></span><span>y=<span><span>−33</span><span>5</span></span></span>