The collins family and the jones family each used their sprinklers last summer. the water output rate for the collins family's sprinkler was 40l per hour. the water output rate for the jones family's sprinkler was 20l per hour. the families used their sprinklers for a combined total of 55 hours, resulting in a total water output of 1600l . how long was each sprinkler used?

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Yuto and hila attempted to solve the same inequality. their work is shown below. which statement is true about the work shown above? yuto is correct because he isolated the variable correctly and reversed the inequality symbol. yuto is incorrect because he should not have reversed the inequality symbol. hila is correct because she isolated the variable correctly and reversed the inequality symbol. hila is incorrect because she should not have reversed the inequality symbol.

Find the measure of angle a in the following triangle