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ladnerhailey16
25.10.2019 •
Mathematics
Elena makes a fruit punch by mixing 4 parts cranberry juice to 3 parts apple juice to 2 parts grape juice.if one batch of fruit punch includes 30 cups of apple juice,how large is this batch of fruit punch?
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Ответ:
This batch has 90 cups of fruit punch
Step-by-step explanation:
Fruit punch=4 parts cranberry, 3 parts apple juice, 2 parts grape juice
Proportions for each=Number of parts/Total Parts
Cranberry proportion=4/(4+3+2)=4/9
Apple juice proportion=3/(4+3+2)=3/9=1/3
Grape juice proportion=2/(4+3+2)=2/9
There for;
Apple juice proportion×Total amount of fruit punch(T)=30 cups of apple juice
Replacing;
(1/3)×T=30
T=90 cups
Total amount of fruit punch=T=90 cups
This batch has 90 cups of fruit punch
Ответ:
So the answer is 2^-3
Step-by-step explanation:
The principle is the same no matter what the base.
Log_2 (7) + Log_2(3/28) - Log_2(6)
+ means multiply
- means divide
Log_2(7 * 3/28 /6)
Log_2(7/6 * 3/28)
Log_2(1/2 * 1/4) 3 divides into 6 twice. 7 divides into 28 four times
log_2 (1/8)
This is equivalent to 2^(-3)