Lin deposited $300 in a savings account that has a 2% interest rate per year. How much is in her account after 1 year? After 2 y
2 answers:
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Answer:
The money she start with is <u>$25</u>.
Step-by-step explanation:
Given:
Vanessa spent 4/5 of her money at the bookstore.
In total, the books cost $45.
Now, to find the money she start with.
Let the money she start with be .
Money spent at the bookstore .
Total books cost = $45.
According to question:
⇒
Adding the variables we get:
⇒
<em>Multiplying both sides by 5 we get:</em>
⇒
<em>Dividing both sides by 9 we get:</em>
⇒
Therefore, the money she start with is <u>$25</u>.
We are looking for the amount of wax it will take to fill up that size candle mold to make that candle. That means that we are looking for the volume of wax, and the shape is a cylinder. The volume formula for a cylinder is
.
For us, that will look like this:
which translates to
V = 3.14(9)(5) which gives us a volume of 141.3 cubic inches. Rounding to the nearest cubic inch is simply 141 cubic inches of wax.