3 years ago

Find the sum of 2 4/5 + 1 7/15

Mathematics

2 answers:

bazaltina [42]3 years ago

8 0

Answer:

2.73

Step-by-step explanation:

2 4/5 + 17/15

8/5 + 17/15

By Elysium

(24 + 17)/15

41/15

2.73

kolezko [41]3 years ago

4 0

The answer is 4 4/5

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John took all his money from his savings account. He spent $110 on a radio and 4/11 of what was left on presents for his friend

svp [43]

Answer:

$1210

Step-by-step explanation:

Let x be total amount

First John spent $110 on a radio and 4/11 of what was left on presents for his friends so he was left with

$\frac{7}{11}(x-110)=\frac{7}{11}x-70$

Then he put 2/5 of his remaining money into a checking account

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$420=\frac{3}{5}\left(\frac{7}{11}x-70\right)\\\Rightarrow \left(\frac{7}{11}x-70\right)=\frac{2100}{3}\\\Rightarrow \frac{7}{11}x-70=700\\\Rightarrow \frac{7}{11}x=770\\\Rightarrow x=1210$

Hence total amount of money John originally had was $1210

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3 years ago

A dog that weighs 16 pounds on Earth weighs 6.8 pounds on Mars.

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2.8 lbs

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Hope this helped

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