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janeou17xn
21.11.2019 •
Mathematics
Two combines are able to harvest 320 acres of crops in a certain amount of time. how many acres will (a)3, (b)4, (c)6 and (d)7 combines harvest if they work at the same rate for this amount of time?
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Ответ:
a) 480 acres
b)640 acres
c)960 acres
d)1120 acres
Step-by-step explanation:
Two combines are able to harvest acres of crops = 320
1 is able to harvest acres of crop =![\frac{320}{2} = 160](/tpl/images/0384/9816/3ac96.png)
Three combines are able to harvest acres of crops =![160 \times 3](/tpl/images/0384/9816/c6e69.png)
=![480](/tpl/images/0384/9816/8740a.png)
Four combines are able to harvest acres of crops =![160 \times 4](/tpl/images/0384/9816/b14c4.png)
=![640](/tpl/images/0384/9816/13d29.png)
Six combines are able to harvest acres of crops =![160 \times 6](/tpl/images/0384/9816/1ecb2.png)
=![960](/tpl/images/0384/9816/77d75.png)
Seven combines are able to harvest acres of crops =![160 \times 7](/tpl/images/0384/9816/f5414.png)
=![1120](/tpl/images/0384/9816/f147e.png)
Ответ:
A. Angles 1 and 5 are congruent corresponding angles
Step-by-step explanation: