Mathematics, 27.11.2019 05:31 edual7545
1) eliot and william went hiking. they went at the same speed. eliot's hike was 8 miles, and william's hike was 12 miles. it took eliot 40 min less than william. how long was william's hike?
2) during a certain period of time, a car can cover a distance of 120 miles, going at an average speed of 55 mph. what distance over the same period of time would cover a truck, going at an average speed of 44 mph?
you so give ! i will mark
Answers: 2
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less than William, then![\dfrac{8}{x}+\dfrac{2}{3}=\dfrac{12}{x}\\ \\\dfrac{2}{3}=\dfrac{12}{x}-\dfrac{8}{x}\\ \\\dfrac{2}{3}=\dfrac{4}{x}\\ \\2x=3\cdot 4\ \ [\text{Cross multiply}]\\ \\2x=12\\ \\x=6\ mph](/tpl/images/0392/8191/d25e9.png)
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1) eliot and william went hiking. they went at the same speed. eliot's hike was 8 miles, and william...
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