Answer:
Rational
Step-by-step explanation:
The ratio of orange concentrate to water is 1 : 1
• Ratio in maths is defines as an ordered pair of numbers p and q, written p/q where value of q is not equal to 0. A proportion in maths is an equation In which two ratios are made equal to each other.
• For example, if there are 3 oranges and 5 lemons in a bowl of fruit, then the ratio of oranges to lemons is 3 :5
According to the question
Let the orange juice mixture be x ml
We are given that half of it is orange concentrate = 0.5x
And the other half is water = x – 0.5x =0.5x
We need to find ratio of orange concentrate to water
Orange concentrate = 0.5x
Water = 0.5x
Ratio = 0.5x/0.5x
= 1/1
= 1 : 1
Hence Proved, the ratio of orange concentrate to water is 1 : 1
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No the square root of 16 is 4 which is a whole number therefore it is rational not irrational
Percent means per 100
think cent as in 100 pennies in a dollar
To convert from percent to decimal, we divide by 100 or move the decimal over 2 spots, so,
15% = 15/100 = 0.15
Now multiply 0.15 by 850 to find the discount saved
0.15*850 = 127.50
So you'll save $127.50
The final price is therefore: 850-127.50 = 722.50
A shortcut is to multiply 850 by 0.85
850*0.85 = 722.50
We get the same answer
The 0.85 comes from the fact that if you get 15% off, then you pay 85% of the original price
Answer: $722.50
