Walmart sells thermometers ($4) and hot-water bottles ($10). In December, Walmart’s total sales were

Mathematics
Tutor: None Selected Time limit: 1 Day

Walmart sells thermometers ($4) and hot-water bottles ($10). In December, Walmart’s total sales were $2,444. Customers bought 4 times as many thermometers as hot-water bottles. How many of each did Walmart sell?

May 24th, 2015

assume Walmart sells x hot-water bottles, 4x thermometers

then 4*4x+10*x=2444

16x+10x=2444

26x=2444

x=94

thus Walmart sells 94 hot-water bottles and 376 thermometers 

May 24th, 2015

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