If $1000 is invested in an online saving account earning 8% per year, how much will be in the account at the
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Knowing that x varies directly with y, we know the basic skeleton of the equation is y = mx.
To find m, plug in the known coordinate (8,10), where the x-coordinate is 8 and the y-coordinate is 10.
Then, plug in m to the equation to get y = (5/4)x.
Finally, plug in the y-coordinate 18 to the equation and solve for x!
Your exact answer is x = 72/5. However, if your teacher prefers decimals, then x = 14.4
Hope this helps!
To find m, plug in the known coordinate (8,10), where the x-coordinate is 8 and the y-coordinate is 10.
Then, plug in m to the equation to get y = (5/4)x.
Finally, plug in the y-coordinate 18 to the equation and solve for x!
Your exact answer is x = 72/5. However, if your teacher prefers decimals, then x = 14.4
Hope this helps!