aminata68 aminata68

15-09-2018
Mathematics

contestada

Robert drives 45 miles in 3 hours from New York City to New Jersey. How far will he drive in 5 hours?

Respuesta :

15-09-2018

[tex]\begin{array}{ccc}3\ h&-&45\ miles\\5\ h&-&x\ miles\end{array}\ \ \ |\text{cross multiply}\\\\3x=5\cdot45\\\\3x=225\ \ \ \ |:3\\\\\boxed{x=75}\\\\Answer:\ 75\ miles.[/tex]

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6ix9iner 6ix9iner

15-09-2018

75 miles. In 1 hour it would be 15 miles. So.. 45+ 30 because 15+15=30. And we’re at 3 but need to get to 5. The answer would be 75.

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