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andrewjarrah05
22.10.2020 •
Mathematics
5. Two blueberry farms are similar in shape. The ratio of the side lengths of
the farms is 4:5, and the smaller farm has a perimeter of 360 yards. The
cost to dig a trench is $0.75 per yard. What is the cost to dig a trench
around the larger blueberry farm?
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Ответ:
$337.50
Step-by-step explanation:
The farms are sized with a ratio of 4:5 which means that the perimeter of the larger farm can be found by subtracting the perimeter of the smaller farm from that of the total of both farms which can be found by the following formula where it is assumed to be x.
4/(4+5) * x = 360 yards
4x = 360 * 9
x = (360 * 9) / 4
x = 810 yards
Size of larger farm = 810 - 360 = 450 yards
If it costs $0.75 to dig a trench per yard, the total cost for the larger farm is;
= 450 * 0.75
= $337.50
Ответ:
2 rational numbers are:
0.766766676666766666
0.7667666766667666660.77896543567543120