Answer:
x + y = 900
5x + 9y = 6500
400 children
Step-by-step explanation:
Let:
Children = x ; adult = y
x + y = 900 - - - (1)
5x + 9y = 6500 - - - (2)
From (1)
y = 900 - x
Put y = 900 - x in (2)
5x + 9(900 - x) = 6500
5x + 8100 - 9x = 6500
-4x = 6500 - 8100
-4x = - 1600
x = 1600 / 4
x = 400
Ez so person 1 and person 2 are in a bike race. person 1 starts at the 10 ft line and travels 4 ft per second. person 2 starts at 15 ft line but travels 3 ft per second.
Answer:
(X,5)
Step-by-step explanation:
Since y-intercept is the y-coordinate, it would be (X,5)
Answer:
The powdered drink mixes is a better price per gallon on lemonade produced.
Step-by-step explanation:
The powdered drink mixes is a better price per gallon on lemonade produced because of the following reasons listed below:
The cost price to produce lemonade for the powdered mixes goes for $1.79 each for 2 gallons which is lesser and cheaper and much more affordable compared to cost of preparing the lemonade from fresh lemons
The cost of buying fresh lemons which is calculated to cost
$0.39 for 1 lemon which means for 10 lemons, the cost would be
10 × $0.39 = $3.9
1 pound of sugar cost $2.99
The total cost price would be
$3.9 + $2.99
= $6.89
When we compared the both prices and check the calculation shown above, we can see that the powdered mixes is a much better option and much better price per gallon of lemonade purchased.