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The lunch bill for the 7 guests came to \$154. If Jessica paid for 3 of the guests and Aaron paid for the other 4 guests, how much did each pay?

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Let, 'x' be the amount that each guest came with, then the total amount=7x,
and 7x=154 dividing both sides by 7,
x=22,
3x=66R.s paid by jessica
4x=88R.s paid by aaron

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