Mr Savage used 3 gallons of paint to cover 1,350 square feet of wall space. At this rate, how much paint will be needed to cover
1 answer:
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Answer:
Step-by-step explanation:
Given :
→ For Purple People Eater, she used 3 pints of red paint for every 5 pints of blue paint.
i.e, The ratio of red paint to blue paint is 3:5
→ For Purple Majesty, she used a blue to red paint ratio of 7 to 4.
i.e, The ratio of red paint to blue paint is 4:7
To find :
1) Compare the ratios of red paint to blue paint.
2) The ratio for Purple People Eater can be expressed in fraction form as :
3) The ratio for Purple Majesty can be expressed in fraction form as :
4) To compare these fractions, rewrite them with a common denominator
For common denominator
Multiply numerator and denominator by 4 in
Multiply numerator and denominator by 5 in
Common denominator is 20
Answer: The value of x- 2y is a. .
Step-by-step explanation:
Given: x and y are two positive real numbers such that and
.
Consider
Put and
, we get
Taking square root on both sides , we get'
Hence, the value of x- 2y is a. .