10. Triangle A and triangle B are similar. The perimeter of triangle A is 15 m and the perimeter of
1 answer:
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249 children and 394 adults swam at the public pool.
Step-by-step explanation:
Number of people swam at pool = 643
Receipts = $1161.50
Cost for one child = $1.50
Cost for one adult = $2.00
Let,
x be the number of children
y be the number of adults
According to given statement;
x+y=643 Eqn 1
1.50x+2.00y = 1161.50 Eqn 2
Multiplying Eqn 1 by 2
Subtracting Eqn 2 from Eqn 3
Dividing both sides by 0.5
Putting x=249 in Eqn 1
249 children and 394 adults swam at the public pool.
Keywords: linear equation, subtraction
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Answer:
Principal
Step-by-step explanation:
Given
Required
Determine what the given parameters describe
Literally, the principal amount is the starting amount of anything and as seen in the given parameters, the starting amount is the debt which amounts to $500
Taking the options one after the other;
We can conclude that the given parameters do not talk about Interest, Rate of interest and Time constraint;
Hence, D. Principal answers the question.
The given parameters do not relate to interest