Answer:
Step-by-step explanation:
The given ratio is 
9 is the common factor of 18 and 27
divide numerator and denominator by 9
hence is proportion with
Answer:
detailed
Step-by-step explanation:
answer
11 liters of 25% orange juice, 4 liters of 10% orange juice:
1' let x to be 25% orange juice and y be 10% orange juice
2' .25x+.10y=(15).21
3' x+y=15
4' 2.5x+y=31.5 divide all sides by 10
5' -x-y=-15 multiply all sides by -1
6' 1.5x=16.5
7' x=11
8' y=15-11=4
so 11 and 4 are the answers.
Answer:
85 Hours
Step-by-step explanation:
1,200 - 500 = 1700
1700/20 =
85 hours
Answer:
345 ×12 = 4140
Step-by-step explanation:
hope this helps
