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Sagot :
Answer:
Children: 51
Adults: 259
Step-by-step explanation:
Children = c Adults = a
$1.25 c + $2.00 a = $581.75
$1.25 c + $2.00 (310 - c) = $581.75
Multiply: $2.00 * 310 to get $620
Multiply: $2.00 * - c to get - $2.00 c
$1.25 c + $620 - $2.00 c = $581.75
Subtract both sides by $620
-$0.75 c = -$38.25
Divide both sides by -0.75
c = 51
We now know there are 51 children.
Overall, there are 310 people so we subtract:
310 - 51 = 259
This means:
a = 259
To check our answer:
51 * 1.25 = 63.75
259 * 2.00 = 518
518 + 63.75 = $581.75
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