Michelle S. answered • 08/31/17
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x = number of chickens lost to coyotes
3x = number of chickens lost to disease
80 = 3x + x, solve for x.
Once you find x, you'll know the number of chickens lost to coyotes.
For the next question, if there are 3 dimes for every quarter:
3(0.10) + 0.25 = 0.55
$6.05 = 0.55x
Solving for x will give you the total number of quarters.
Let me know if you need more explanation. Good luck!
Jake Y.
Where did you you get the 3 from?
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08/31/17
Michelle S.
The 3 from the chicken question: 1/3 as many chickens were lost by coyotes as we're from disease. So, another way of writing the equation would 80=1/3x + x where x would be the number of chickens lost to disease. So, with that equation you would solve for x and then divide by 3 to find the number of chickens lost to coyote.
For the money equation: If there are 3 times as many dimes as quarters, then with each quarter, you would have 3 dimes. So, with 2 quarters, you would have 6 dimes; with 3 quarters, there would be 9 dimes. Really you could work out your problem that way but it would take longer. Calculate how much money 1 quarter and 3 dimes would be. Then, calculate how much 2 quarters and 6 dimes would be, etc. Keep going until you reach the total amount given. In the equation, the 3 in front of the 0.10 will keep you from having to work it out as mentioned above. The 0.25 in the equation represents the quarter and since there is only 1 quarter per 3 dimes, a 1 is not needed. But, to help you visual it would be 0.55 = 3(0.10) + 1(0.25)
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08/31/17
Jake Y.
08/31/17