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Mathematics, 03.09.2020 04:01 celestemaria0727

Four hundred vouchers were sold for a carwash. Vouchers to wash trucks were $4, while vouchers to wash compact cars were $3. If the total sales were $1350, how many of each type of voucher were sold?

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Four hundred vouchers were sold for a carwash. Vouchers to wash trucks were $4, while vouchers to wa...
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