Ava is saving for a new computer that costs $1,218. she has already saved half of the money. ava earns $14.00 per hour. how many
hours must ava work in order to save the rest of the money.
2 answers:
Ava must work 43.5 hours in order to save the rest of the money.
<h3>Further explanation </h3>Money is a current medium of exchange in the form of coins and banknotes; coins and banknotes collectively. An hour is a unit of time conventionally reckoned as ¹⁄₂₄ of a day and scientifically reckoned as 3,599–3,601 seconds. It is initially established in the ancient Near East as a variable measure of ¹⁄₁₂ of the night or daytime.
Definition of an/per hour is it used in measurements that describe the speed of something.
There are many simple ways to save money: record your expenses, figure out how much you spend, make a budget, plan on saving money, decide on your priorities, pick the right tools, make saving automatic, watch your savings grow.
Ava is saving for a new computer that costs $1,218. she has already saved half of the money.
$$
We can draw the 2 boxes that represents the half ($609 saved) + the other half ($609 needs) .
Ava earns $14.00 per hour.
How many hours must ava work in order to save the rest of the money?
hours
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<h3>Answer details</h3>
Grade: 5
Subject: Math
Chapter: unit
Keywords: hours, work, money, costs, rest
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To see how much interest she'll get after a quarter:
$4132.79 + ($4132.79 × 0.048) = $4331.16
After two quarters:
$4331.16 + ($4331.16 × 0.048) = $4359.06
You can keep going until eventually reaching $8000 then see how many quarters has passed. That's a lot of calculator work!
There's another way that uses less calculation, but more algebra. I call it the exponential formula method! There's this general formula for stuff that increases exponentially, like virus, population, and MONEY:
M is money, d is deposit, t is time taken, and c is just some unknown constant related to the interest rate. There's also the natural logarithm form of this equation, which will come in handy later:
Alright first we gotta find that constant c for this equation to be useful! Let's plug in stuff we know.
We know how much she'll have after one quarter (0.25 years), and we know how much she deposited initially.
After pressing some buttons on the calculator we'll find that c = 0.1875.
Great! Now we can use that formula to find how many years (t) it'll take to reach M=$8000. To save time I'm going to use the natural log form:
That will give us t = 3.522 which means it'll take approximately 3.5 years for her deposit to reach $8000!
$4132.79 + ($4132.79 × 0.048) = $4331.16
After two quarters:
$4331.16 + ($4331.16 × 0.048) = $4359.06
You can keep going until eventually reaching $8000 then see how many quarters has passed. That's a lot of calculator work!
There's another way that uses less calculation, but more algebra. I call it the exponential formula method! There's this general formula for stuff that increases exponentially, like virus, population, and MONEY:
M is money, d is deposit, t is time taken, and c is just some unknown constant related to the interest rate. There's also the natural logarithm form of this equation, which will come in handy later:
Alright first we gotta find that constant c for this equation to be useful! Let's plug in stuff we know.
We know how much she'll have after one quarter (0.25 years), and we know how much she deposited initially.
After pressing some buttons on the calculator we'll find that c = 0.1875.
Great! Now we can use that formula to find how many years (t) it'll take to reach M=$8000. To save time I'm going to use the natural log form:
That will give us t = 3.522 which means it'll take approximately 3.5 years for her deposit to reach $8000!