Answer:
22.5 grams of 10% cream is mixed with 37.5 grams of 2 % cream to prepare 60 grams of 5% cream.
Step-by-step explanation:
Let x grams of 10% cream is mixed with y grams of 2 % cream to prepare 60 grams of 5% cream.
So, x + y = 60 ............ (1) and
⇒ 10x + 2y = 300
⇒ 5x + y = 150 ............ (2)
Now, solving equations (1) and (2) we get,
4x = 150 - 60 = 90
⇒ x = 22.5 grams
So, y = 60 - x = 37.5 grams. (Answer)
This is pretty open-ended. How about:
and
are similar because they're both irrational, meaning neither is the ratio of two integers.
and
are different because
and
.
Distance between Station E and Station G is 8.48 miles (Approx.)
<u>Given:</u>
Distance 3 miles east
Distance 5 miles south
<u>Find:</u>
Distance between Station E and Station G
<u>Computation:</u>
Co-ordinate of Point E = (-3 , 1)
Co-ordinate of Point G is 3 mile east and 5 mile south
So,
Co-ordinate of Point G = (3 , -5)
Distance between two point = √(x2 - x1)² + (y2 - y1)²
So,
Distance between Station E and Station G = √(3 + 3)² + (-5 - 1)²
Distance between Station E and Station G = √(6)² + (-6)²
Distance between Station E and Station G = √36 + 36
Distance between Station E and Station G = √72
Distance between Station E and Station G = 8.48 miles (Approx.)
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