queensnowflake32
20.07.2019 •
Mathematics
Astamp collector bought 160 stamps for $25.00. the purchase included 5¢ stamps, 15¢ stamps, and 25¢ stamps. the number of 15¢ stamps is three times the number of 5¢ stamps. how many of each type of stamp was purchased?
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Ответ:
15- 90
52- 40
Questions?
Ответ:
Place the compass on a point on the original line.
Step-by-step explanation:
If the compass is placed on the original line point, then is will be the exact same spot and angle for the other line. They should met and form a right angle .