Name: SAT Math Help & School Math Mastery
Availability: InStock

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#40444

linear equations

applications

medium

75 sec

The graph shows the relationship between the number of minutes spent on homework, $x$ , and the number of minutes spent on reading, $y$ , that a student can do within a fixed study period. The line passes through $(0, 30)$ and $(45, 0)$ . Which equation represents this relationship?

A.

$3 x + 2 y = 90$

B.

$2 x + 3 y = 90$

C.

$y = - 2 x + 30$

D.

$y = - 3 x + 45$