Answer:
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Step-by-step explanation:
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Answer:
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Answer:
He has 10 nickels and 5 dimes
Step-by-step explanation:
We can take advantage of the ratio by dividing 40 by 8, giving us that every 1 in the ratio = 5. So we can multiply 2 x 5 = 10 and 1 x 5 = 5.
Hope this Helps!
<h3>The present age of Jackson is 25 years old</h3>
<em><u>Solution:</u></em>
Let the present age of Jackson be "x"
Therefore
Jackson's age 7 years ago = x - 7
And, Jackson's age after 20 years = x + 20
From given question,
Jackson’s age was 2/5 of the age he will be 20 years from now 7 years ago
![\frac{2}{5} \times (x + 20) = x - 7\\\\2(x + 20) = 5(x - 7)\\\\2x + 40 = 5x - 35\\\\5x - 2x = 40 +35\\\\3x = 75\\\\Divide\ both\ sides\ by\ 3\\\\x = 25](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B5%7D%20%5Ctimes%20%28x%20%2B%2020%29%20%3D%20x%20-%207%5C%5C%5C%5C2%28x%20%2B%2020%29%20%3D%205%28x%20-%207%29%5C%5C%5C%5C2x%20%2B%2040%20%3D%205x%20-%2035%5C%5C%5C%5C5x%20-%202x%20%3D%2040%20%2B35%5C%5C%5C%5C3x%20%3D%2075%5C%5C%5C%5CDivide%5C%20both%5C%20sides%5C%20by%5C%203%5C%5C%5C%5Cx%20%3D%2025)
Thus present age of Jackson is 25 years old
Answer:
Step-by-step explanation:
A.) 16500 Seconds
B.) 12569 Seconds
C.) 38116 Seconds
D.) 20700 Seconds
E.) 7256