This year, a construction company had expenses of $850 million, which was $75 million more than the expenses from last year
How much were last year's expenses?

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16. you're planning to buy a boat, a motor, and some miscellaneous boating equipment. the boat costs $325, the motor costs $225, and the equipment costs $79. if you've saved $438 toward these purchases, how much more do you need to save? a. $181 b. $281 c. $291 d. $191

Me. i can't figure out this question. give an explanation too. .