05 Solving a value mixture problem using a system of linear...
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The Turner family and the Chen family each used their sprinklers last summer. The water output rate for the Turner family's sprinkler was 40 L per hour. The
water output rate for the Chen family's sprinkler was 35 L per hour. The families used their sprinklers for a combined total of 45 hours, resulting in a total water
output of 1650 L. How long was each sprinkler used?

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.