20% of 60 is 12
60/300 = 20%
The friend is incorrect because that is 20% of 300 not 60
There were 40 advance tickets sold, and 30 same-day tickets sold.
#13: b
#14: c
#16: c
It is very easy, have a nice day :)
Answer:
B
Step-by-step explanation:
9514 1404 393
Answer:
88 ounces
Step-by-step explanation:
Let x represent the number of ounces of the less expensive alloy in the mix. Then the cost of the mix will be ...
6.75x +10(55) = 8(55+x)
110 = 1.25x . . . . . . subtract 440+6.75x
88 = x . . . . . . . . divide by 1.25
88 ounces of $6.75/oz silver must be used.
