Answer:
30 each of 23% bars and 18 each of 79% bars
Step-by-step explanation:
If x is the number of 1 kg 23% copper bars, and y is the number of 1 kg 79% copper bars, then:
x + y = 48
0.23x + 0.79y = 0.44(48)
Substituting and solving:
0.23x + 0.79(48-x) = 0.44(48)
0.23x + 37.92 - 0.79x = 21.12
16.8 = 0.56x
x = 30
y = 48 - x
y = 18
You need 30 each of 23% bars and 18 each of 79% bars.
Their is not a lot of information but I think it is 12*24=288
The answer is D my dude don’t over think. Since it’s are multiply your answer choices till you reach 60.75
Answer:
Pretty sure it's 27
Step-by-step explanation:
(2 4= 8) + 3 (4 4= 16)=27
What grade is this? can you maybe break it down
