Two thirds times three eighths
2 answers:
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The actual length of car is 42.857 foot
<em><u>Solution:</u></em>
Given that,
The scale of a railroad train set is 3.5 mm to 1 foot
The link of the model car in this it is 150 mm
To find: Length of actual car
Let "x" be the length of actual acr
From given,
Scale is:
3.5 mm : 1 foot
Then, given that link of the model car in this it is 150 mm
Then we get,
3.5 mm : 1 foot
150 mm : x foot
This forms a proportion and we can solve the sum by cross multiplying
Thus the actual length of car is 42.857 foot
Answer:
$167.2
Step-by-step explanation:
It has been given that the price of a new computer is $800.00 and refurbished computer with the same equipment has a price of $640.00.
Let us find the amount that we will save with a refurbished computer if we put the difference into the savings account for a year using simple interest formula.
, where A= Amount after t years, P=principal amount, r = interest rate (decimal form) and t=time.
Our principal amount will be the difference of prices of new computer and refurbished computer.
Upon substituting our given values in above formula we will get,
Therefore, we will save $167.2 with refurbished computer when we put the difference into the savings account for a year.