gabbylandry95 gabbylandry95

20-09-2019
Mathematics

contestada

Suppose y varies directly as x. If x = 15 when y = 12, find x when y = 21.

Respuesta :

surjithayer10otahza surjithayer10otahza

20-09-2019

Answer:

x=26.25

Step-by-step explanation:

Let y=kx

12=15k

k=[tex]k=\frac{12}{15} \\again 21=\frac{12}{15} *x\\x=21*\frac{15}{12} =\frac{105}{4} =26.25[/tex]

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