$1 chocolate and $2.5 walnuts
5c+2w=10
3c+8w=23
elimination
-4(5c+2w=10) =-20c-8w=-40 + 3c+8w=23
=-17c=-17
c=1
5(1)+2w=10
2w=5
w=2.5
Answer:
Need more information
Step-by-step explanation:
Assuming 22 degrees
complement means they add to 90 degrees
22+?=90
minus 22 both sides
?=68
answer would be C
Answer:
13 days
Step-by-step explanation:
Amount of book left = 100% - 35% = 65%
If 35% requires 7 days,
65% requires x days.
Using the 'cross the heart' or 'cross multiplication' method:
35x = 7 * 65
x = (7 * 65)/35
= 455/35
= 13
Hence, it would take 13 more days to complete the book.
<em>Hope this helps and be sure to have a great time ahead at Brainly! :D</em>
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