In a family 3 adults and 2 children visit a play park for a total cost of $1100 and 2 adults and 3 children from another family visit the same play park for the total cost of Rs. $900. Find the cost of the ticket for each adult and each child, the play park charges.
1 answer:
Answer:
lets take the number of adults as a and children as c
3a+2c=1100
2a+3c=900
using substitution method
2c=1100-3a
c=<u>1100-3a</u>
2
2a+3c=900
but c =<u>1100-3a</u>
2
2a+3[1100/2-3a/2]=900
2a+3300/2-9a/2=900
2a-9/2a=900-3300
-5/2a=-2400
a=-2400x-2/5
adults=Rs 960
c=1100/2-3a/2
but a=960
children=-2330
1100/2-3/2[960]
1100/2-1440
children=2880
Step-by-step explanation:
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B
Step-by-step explanation:
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First we need to put it in slope intercept form (solve for y). Then we get tex]y= -\frac{2}{3} x+490[/tex]. So the slope is-2/3 and the y intercept is 490.
