maxgeacryne2199
10.04.2020 •
Mathematics
680 km traveled in 8 h. what is the unit rate?
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Ответ:
85km per hour
Step-by-step explanation:
Take 680/8
Ответ:
x = 1.3
Step-by-step explanation:
Eliminate fractions first. Multiply all four terms by 100. The result will be:
380 + 450x - 140 = 825
Combine like terms:
240 + 450x = 825, or
585 = 450x, or:
x = 1.3